tailieunhanh - Basic English Usage Exercises_8

Tham khảo tài liệu 'basic english usage exercises_8', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 163 215 215 negative structures 1 Negative verbs We make negative verbs with auxiliary verb not. We have not forgotten you. It was not raining. In an informal style we use contracted negatives with n t see 90 . We haven t forgotten you. It wasn t raining. If there is no auxiliary verb we use do with not. I like the salad but I don t like the soup. 2 Imperatives We make negative imperatives with do not or don t infinitive see 170 . Don t worry I ll look after you. NOT -Worry-net . . . Don t believe a word he says. Don t be rude. See 57. 3 Infinitives and -Ing forms We put not before infinitivesand -Ing forms. Dois not used. It s important not to worry. NOT . . . to-don t worry. The best thing on holiday Is not working 4 Other parts of a sentence We can put not with other parts of a sentence not only a verb. Ask the vicar not his wife Come early but not before six. It s working but not properly. We do not usually put not with the subject. Instead we use a structure with it see 111 . It was not George that came but his brother. NOT Not George came but his brother. For the difference between not and no with nouns see 222. 5 Other negative words Other words besides not can give a clause a negative meaning. Compare He s not at home. He s never at home. He s seldom rarely hardly ever at home. 216 164 We do not use the auxiliary do with these other words. Compare He doesn t work He never works. NOT He does never work-. He seldom rarely hardly ever works. 6 some and any etc We do not usually use some somebody someone something or somewhere in questions and negative sentences. Instead we use any anybody etc. See 314. Compare I ve found some mushrooms. I haven t found any mushrooms. 7 think believe suppose Imagine and hope When we introduce negative ideas with think believe suppose and imagine we usually make the first verb think etc negative not the second. I don t think you ve met my wife. NOT I think you haven t met my wife. I don t believe she s at home. Hope is an .