20xx春魯教版英語七下unit 5《can you come to my party》（sectiona 1a-1c）-文庫吧
2024-11-05 22:06 本頁面
【正文】 他不得不好好學習。 （ 2）這 4個情態(tài)動詞在一般疑問句中將它們放在句首 , 在否定句中直接在他 們后邊加 not即可。 我們以 can為例 : Can he go with us ? 他能和我們一起去嗎？ He can’t go with us . 他不能和我們一起去。 而“ have to”要加助動詞 do , has to要加助動詞 does ,還原 have to had to要加助動詞 did,還原 have to 才可能完成其疑問、否定句。 試將下面三種話分別寫成 （ 1）一般疑問句，并做肯定回答。 （ 2）否定句。 1: They have to go to the party . Do they have to go to the party ? Yes , they do . They don’t have to go to the party. 2： He has to go to see the doctor . Does he have to go to see the doctor? Yes , he does . He doesn’t have to go to see the doctor . 3： She had to have a piano lesson yesterday. Did she have to have a piano lesson yesterday? Yes, she did . She didn’t have to have a piano lesson yesterday. 2 .have to強調(diào)客觀上需要做某事，即表示外界 條件的需要不得不做某事，含有“客觀所迫”的意味，它有人稱和數(shù)的變化，可用于多種時態(tài)中，否定式為“不必”。 ? must強調(diào)說話者主觀上認為必須做某事，含有“主觀判斷”的意味，它的否定式意為“禁止，不允許”。 ? eg. If one gets ill,he’ll have to see a doctor. ? She has to go to school by bus. ? We must go to school on time. ? Must I finish the homework now ? ? Yes, you must./No,you needn’t(don’t have to). ? You mustn’t play football in the classroom. 3. I have to help my parents . 我不得不幫助我的父母。 help sb. with sth .或 help sb (to) do sth . 上一句我們可以說： I have to help my parents with the housework . 或說 I have to help my parents (to) do the housework . ? 4. have 構成的短語 1)． have a rest/look/swim/walk 2)． have a meeting/class/lesson/drink（喝一杯飲料） /party 3)． have breakfast/lunch/supper(dinner)/meals 4)． have a good time/have fun (in) doing sth. 5)． have a t
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