1. Another is one word. Can I have another cup of coffee? (NOT an other cup...) Ann's going to look for another job.

2. After would rather, use an infinitive (without to) or a past tense, not a present tense. I'd rather stay at home this evening. (NOT I'd rather to stay at home...) I would rather you paid me in cash. (NOT I would rather you pay me in cash.)

3. Use an -ing form after be/get used to. I'm used to driving in London now, but it was hard at the beginning. (NOT I'm used to drive...) I'll never get used to living in this place.
 4. How long are you here for? asks about the future. 'How long are you here for?' 'Till Easter.' (NOT 'Since Christmas.')

5. Don't use could to talk about something that you succeeded in doing. I managed to run 10 km yesterday in under an hour. (NOT I could run 10 km yesterday...) How many eggs were you able to get? (NOT ...could you get?)

6. Indirect questions usually have the same construction as statements. I asked where her parents were. (NOT USUALLY I asked where were her parents.) The policeman wanted to know where I lived. (NOT ...where did I live?)

7. To say that something is not necessary, use needn't or don't have to, not mustn't. You needn't pay now; tomorrow will be OK. (NOT You mustn't pay now; tomorrow will be OK.) I don't have to wear a tie at work. (NOT I mustn't wear a tie at work.)

8. Everything is a singular word. Everything was broken. (NOT Everything were broken.) Is everything ready?

9. Use because or so, but not both together. Because the train was late I missed the meeting. OR The train was late, so I missed the meeting. (BUT NOT Because the train was late, so I missed the meeting.)

10. We say something to a person. She never says 'Hello' to me. (NOT She never says me 'Hello'.) Andrew has said nothing to Peter. (NOT Andrew has said Peter nothing.)

11. Tell normally needs a personal object. He told us that he was going home. (NOT He told that he was going home.) I've told you everything I know.

12. Don't use every to talk about two people or things. You can park on each side of the street. (NOT ...on every side of the street. ) He was holding a glass in each hand.

13. Far is unusual in affirmative sentences, except in a very formal style. We live a long way from here. (NOT USUALLY We live far from here.) It's a long way toTipperary.

14. We don't usually use before to mean 'in front of'. You can park in front of the station. (NOT ... before the station.) There's a big tree just in front of our house.

15. After look, we use at with an object. Look at the moon! (NOT Look the moon!) What are you looking at?

16. We use when, not as or while, to talk about ages and periods of life. When I was 14 I first got interested in archaeology. (NOT As/While I was 14...) We lived in London when I was a child. (NOT ... as/while I was a child.)

17. After as long as, use a present tense to refer to the future. I'll remember this holiday as long as I live. (NOT ... as long as I will live.) You can have my bike as long as you bring it back tomorrow.

18. We say as usual, not as usually. Let's meet tomorrow at 10.00, as usual. John's late as usual.

19. As well as (with a similar meaning to 'not only... but also') is normally followed by an -ing form. As well as breaking his leg, he hurt his arm. (NOT As well as he broke his leg...) He works full time as well as bringing up three children.

20. Expressions like in three hours' time refer to the future. We'll need the report in two weeks' time. (BUT NOT He wrote the report in four hours' time.) I'll see you again in a month's time.

21. We don't normally use to after arrive. What time do we arrive in Bedford? (NOT … arrive to Bedford? ) The train arrived at our station half an hour late.

22. Because is a conjunction; because of is a preposition. We cancelled the match because it rained. (NOT … because of it rained.) We cancelled the match because of the rain. (NOT …because the rain.)

23. After the verb lack, no preposition is necessary. The soup lacks salt. (NOT … lacks of salt.)
 It's a good novel, but it lacks structure.

24. Before (meaning ‘before that') follows an expression of time. Last summer, I decided to go and visit the town that I had left eight years before. (NOT … before eight years.) I had already met her once, about three years before.

25. News is singular. All the news is bad. (NOT All the news are bad.) BBC Radio 4. Here is the news.

26. You borrow something from somebody. I borrowed the money from my mother. (NOT I borrowed my mother the money.) Can we borrow some glasses from you?

27. We prefer closed, not shut, before a noun. When I talk to you, I feel as if I'm standing in front of a closed door. (NOT … a shut door.) He's got a closed mind. You can't tell him anything.

28. We say come from (present) to give our town, country etc of origin. Sarah comes from Texas. (NOT Sarah came from Texas.) Where do you come from?

29. Comparatives are made with more or -er, but not both. The weather is getting colder. (NOT … more colder.) Please try to be more polite. (NOT … more politer.)

30. We don't use on the contrary to give another side of a question. It's hard work. On the other hand, it's interesting. (NOT on the contrary, it's interesting.) She's very bad-tempered. On the other hand, she's generous.

31. Inaffirmative sentences we generally use a long time, not long, except in a very formal style. We waited a long time, but she didn’t come. (NOT We waited long, but …) It will be a long time before we invite her again.

32. Use superlatives to compare people and things with the groups that they belong to. Sandra is the tallest of the five girls. (NOT Sandra is the taller of the five girls.) I think I’m the oldest person in the class.

33. We usually use in after dressed. She was dressed in yellow from head to foot. She looked like a daffodil. The bride was dressed in white silk.

34. We don’t use it … + infinitive with allow. Smoking is not allowed. (NOT It is not allowed to smoke.) We weren’t allowed to use calculators in the exam. (NOT It wasn’t allowed to use …)

35. Whose means ‘who is’ or ‘who has’; whose is a possessive. Who’s that? (NOT Whose that?) Who’s taken my keys? (NOT Whose taken my keys?) Whose coat is that? (NOT Who’s coat is that?)

36. We don’t usually use other with uncountable nouns. Can I have more rice?  (NOT … other rice?) Perhaps we should use different oil.  (NOT … other oil.)

37. We use either, not any, to talk about two people or things. I can write with either hand. (NOT … with any hand.) ‘Do you prefer Monday or Tuesday?’  ‘Either day will do.’ 

38. Don’t put articles and possessives together before nouns. She’s  a friend of mine. OR She’s my friend. (BUT NOT She’s a my friend.) Peter’s lost his keys. (NOT … the his keys.)

39. We say that somebody is good, bad, clever etc at something. My sister is very good at maths. (NOT … good in maths.)I’m not very clever at languages.

40. Don’t leave out a/an in negative expressions. Don’t got out without a coat. (NOT … without coat.) It’s difficult to get there if you haven’t got a car. (NOT … if you haven’t got car.)

41. We use any, not every, to say ‘one or another’. ‘Which newspaper would you like?’  ‘It doesn’t matter. Any one.’ (NOT …  every one.) ‘When would you like to come to dinner?’  ‘Any day is OK.’

42. Advice is uncountable. Can you give me some advice? (NOT … an advice?) My father gave me three pieces of advice. (NOT …  three advices.)

43. We don’t use some if we know the exact number. You’ve got beautiful fingers. (NOT … some beautiful fingers.) A mountain bike needs to have strong wheels. (NOT …  some strong wheels.)

44. We drop articles in some common expressions with school and bed. Why isn’t Angela at school today?  (NOT …  at the school today?) I want to spend a day in bed.

45. When which? what? or who? are subjects, we make questions without do. Which costs more – the blue one or the grey one? (NOT Which does cost more …?) What happened to your car? (NOT What did happen to your car?) Who phoned? (NOT Who did phone?)

46. We drop articles after the amount/number of. I was surprised by the amount of money that was collected. (NOT … the amount of the money …) The number of unemployed rose sharply last month. (NOT The number of the unemployed…)

47. We use because, not as or since, if the reason is the most important part of the sentence. Why am I leaving? I’m leaving because I’m fed up. (NOT I’m leaving as/since I’m fed up.) They’re laughing because they think your hat’s funny.

48. Travel is normally uncountable. I like travel. We went on a trip/journey to the Antarctic last spring. (NOT We went on a travel …)

49. Can has no infinitive. We use be able to instead. I’d like to be able to sing. (NOT … to can sing.) When will you be able to meet us?

50. With abbreviations, the difference between a and an depends on pronunciation, not spelling. She’s a US citizen. (NOT She’s an US citizen.)  Would you like to be an MP?  (NOT … a MP?)

51. Weather is uncountable. We had terrible weather last week. (NOT … a terrible weather …) I hope we get good weather at the weekend.

52. Words like President, King, Doctor in titles have no article. President Nixon resigned over the Watergate scandal. (NOT The President Nixon …) I'd like to see Dr Franklin. (NOT … the Dr Franklin.)

53. We usually use over, not across, to mean 'on/to the other side of something high'. Why are you climbing over that wall? (NOT … across that wall?) I threw his keys over the fence, where he couldn't get them.

54. Actually means 'really' or 'in fact', not 'now'. She said she was 18, but actually she was 15. In 1900 the population of London was higher than it is now. (NOT … than it actually is.)

55. Asleep and afraid are not normally used before nouns. He had the innocent expression of a sleeping baby. (NOT … of an asleep baby.) In the house, we found a frightened child hiding in the kitchen. (NOT … an afraid child.)

56. We don't usually put an adverb and its complement together before a noun. We're looking for people who are skilled in design. (NOT … skilled in design people.) He has a difficult accent to understand. (NOT … a difficult to understand accent.)

57. Eventually means 'finally', not 'possibly' or 'perhaps'. It took a long time, but eventually he finished his studies. I'm not sure what I'll do next year. Perhaps I'll go to university if I can get a place. (NOT Eventually I'll go to university …)

58. We don't usually use too before adjective + noun. The problem was too difficult. (BUT NOT It was a too difficult problem.) I put down the bag because it was too heavy. (BUT NOT I put down the too heavy bag.)

59. We usually put descriptive adjectives before classifying adjectives. An old political idea (NOT A political old idea) The latest educational reform (NOT The educational latest reform)

60. Nouns referring to nationality are often different from the corresponding adjectives. Ellis considers himself a typical Welshman. (NOT … a typical Welsh.) She's married to a Spaniard. (NOT …  a Spanish.)

61. Adjectives that express opinions usually come before other descriptive adjectives. A lovely cool drink (NOT a cool lovely drink) Their wonderful old house (NOT their old wonderful house)

62. Pronoun objects come before adverb particles. Can you switch it on, please?  (NOT …switch on it…) I’m going to throw them all out. (NOT … throw out them all.)

63. Adverbs can’t usually be used instead of adjectives. She danced happily into the room. (NOT She danced happy …) I’m terribly sorry. (NOT I’m terrible sorry.)

64. After all doesn’t mean ‘finally’. It means ‘all things considered’ or ‘in spite of what was expected’. It took a long time, but finally we found our dream house. (NOT … but after all we found our dream house.) She can make her own bed. After all, she’s not a baby any more. I expected to fail the exam, but I passed after all. 

65. Ago comes after an expression of time. Ann phoned two hours ago. (NOT … ago two hours.) I should have finished this work six weeks ago.

66. We don’t normally use all without a noun to mean ‘everybody’. Everybody was quiet. (NOT All were quiet.) I’ve written to everybody. (NOT I’ve written to all.)

67. Inexclamations with how, the adjective or adverb comes immediately after how. How cold it is!  (NOT How it is cold!) How well she sings!  (NOT How she sings well!)

68. We don’t use every with uncountable nouns. I like all music. (NOT I like every music.) I can do every kind of work. (NOT … every work.)

69. After either, we use a singular noun. I can come on Wednesday or Thursday - either day is OK. (NOT … either days …) She can write with either hand.

70. We usually ask ‘What colour …?’ without a preposition. What colour is your new car? (NOT Of what colour …?) What colour is her hair this week?