TAILIEUCHUNG - Collins cobuild student grammar part 8

Tham khảo tài liệu 'collins cobuild student grammar part 8', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | For more material and information please visit Tai Lieu Du Hoc at I cannot go back. However if can is followed by not only can and not are not joined. We can not only book your flight for you but also advise you about hotels. 2 In spoken English and informal written English not is often shortened to -n t and added to the modal. The following modals are often shortened in this way could not coul dn t should not shouldn t must not mustn t would not wouldn t We couldn t leave the farm. You mustn t talk about Ron like that. Note the following irregular short forms shall not shan t will not won t cannot can t I shan t let you go. Won t you change your mind We can t stop now. Might not and ought not are sometimes shortened to mightn t and oughtn t . Note that may not is very rarely shortened to mayn t in modern English. 3 To make a question you put the modal in front of the subject. Could you give me an example Will you be coming in later Shall I shut the door Modals are also used in question tags. See Units 7 and 8 for more information. 4 You never use two modals together. For example you cannot say He will can come . Instead you can say He will be able to come . I shall have to go. Your husband might have to give up work. 5 Instead of using modals you can often use other verbs and expressions to make requests offers or suggestions to express wishes or intentions or to show that you are being polite. For example be able to is used instead of can be likely to is used instead of might and have to is used instead of must . All members are able to claim expenses. I think that we are likely to see more of this. These expressions are also used after modals. I really thought I wouldn t be able to visit you this week. 6 Dare and need sometimes behave like modals. For more material and information please visit Tai Lieu Du Hoc at See Unit 72 for information on dare and Units 71 and 90 for information on need . Unit 81 Possibility Main .

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