NHÓM 3 AUXILIARY VERB I. Auxiliary verb There are two verb in each of these sentences: I have lost my keys She can’t come to the party The hotel was built ten years ago Where do you live In these example have/can’t/was/do are auxiliary verb • We can use an auxiliary verb when we don’t wan’t to repeat something: Have you locked the door? Yes, I have (= I have locked the door) • We use auxiliary verbs with so and neither “I’m tired.” “So am I” (= I’m tired, too) “I never read newspapers.” “Neither do I” (= I never read newspapers either” II. Questions 1. In question, we usually put the first auxiliary verb (AV) before the subject (S) S + AV AV + S Tom will will Tom? Ex: Will Tom be here tomorrow? You have have you? Ex: Have you been working hard? I can can I? Ex: What can I do? It was was it? Ex: When was it (the house) build? 2. In simple present question, we use do/does You live do you live? Ex: Do you live near here? It begins does it begin? Ex: what time does it begin? 3. In simple past question, we use did you sold did you sell? Ex: Did you sell your card? NOTE: Do not use do/does/did if Who/What/Which is the subject of the sentences. Who object Who subject Emma phoned somebody Somebody phoned Emma Who did Emma phoned Who phoned Emma? III. What follows auxiliary verbs? A. Auxiliary verbs followed by a verb anding in -ing or -ed: Ex: The boy is flying a kite The book was listed as a best seller B. Auxiliary verbs followed by the basic form of the verb: Modal auxiliaries, do in question/ negative sentences, or emphatic do +infinitive Ex: Paul may arrive tomorrow Do you like fish? I do believe that he is right Meaning of key auxiliary verbs: 1. Will: be willing to; intend to Ex: I will open the windows for you 2. Shall: intend to (formal); have decided to: Ex: We shall ask the committee 3. May/Can: be possible to do Ex: It may rain tomorrow 4. Can/Could/May: be allowed to do Ex: Can I help you? 5. Must: be necessary, be logically certain Ex: It must be her purse 6. Must/Have to: be required to do Ex: Everyone must be on time I have to sleep late 7. Should/ought to/ Had better: be obliged to do Ex: She should learn English every day. I ought to get up early 8. Should have/could have + P.P: was not true, did not happen Ex: She should have read book 9. Used to/ Would: did in the past Ex: I used to learn English every day . Emma? III. What follows auxiliary verbs? A. Auxiliary verbs followed by a verb anding in -ing or -ed: Ex: The boy is flying a kite The book was listed as a best seller B. Auxiliary verbs followed by. have/can’t/was/do are auxiliary verb • We can use an auxiliary verb when we don’t wan’t to repeat something: Have you locked the door? Yes, I have (= I have locked the door) • We use auxiliary verbs with. NHÓM 3 AUXILIARY VERB I. Auxiliary verb There are two verb in each of these sentences: I have lost my keys She can’t come to the