9 教案（情態(tài)動詞)

1、.授 課 教 案學員姓名： 授課老師：楊老師所授科目：_英語_ _學員年級： 上課時間：_年_月_日_時_分至_時_分共_小時教學標題中考綜合復習教學目的 詞匯，語法，教材系統(tǒng)復習教學重難點中考考點的學習及應用語法 考考點 九、情態(tài)動詞一情態(tài)動詞的用法1. can 用法1表示才能，與be able to同義，但can只用于如今時和過去時，be able to可用于各種時態(tài)。Two eyes can see more than one. 注：Can you ? Yes, I can / No,I cant.2.表示允許、懇求用could比can 語氣更加委婉客氣，常用于could I /you

2、.?句型中，假設表示同意時，用can答復而不用could .Could I borrow the book ? No, you cant .3。表示推測 “可能常用于否認句或疑問句中。cant表示一定不是It cant be true .Can it be true ?2. may 用法1表允許，懇求= can 表示答應或征求對方的答應，常于第一人稱連用。注：May I .? Yes ,you may No, you cant / mustnt .在答復以may引起的問句時，多防止用這個詞，而用其它方式，如Yes, please. / Certainly.2表推測，可能、也許。常用于肯定句中。

3、Maybe he knows the news .=He _ _ the news. 3. must1表示義務。意為“必須主觀意志。We must do everything step by step. 注：Must I .? Yes, you must / No,you needntdont have to .-Must we hand in our exercisebooks now? -No, you neednt. / No, you dont have to. 2mustnt 表制止、不允許。 You mustnt talk to her like that.3表示揣測。意為“想必、

4、準是、一定等，只用于肯定句。否認、疑問句中must改為can .He must be ill. He looks so pale. Shes wearing a diamond necklace. She must have a lot of money. 注：must表推測時，其反義疑問句與must后面的動詞一致。There must be something wrong ,_ _? 4.need的用法 need既可用作情態(tài)動詞，也可用作實義動詞。用作情態(tài)動詞時，主要否認句或疑問句中。用作實義動詞時，可用于各種句式。1.用作情態(tài)動詞，用于否認句和疑問句中。a.Need I .? Yes ,

5、you must / No, you neednt . Need we finish the work today ?Yes you _? A.need B.can C. may D.must b.need + do sth . 變否認句：neednt do sth 變疑問句：Need sb do sth ?2.用作實義動詞a.need + to do sth . We need _buy some school things . 變否認句：dont /doesnt /didnt +need to do sth . 變疑問句：Do / Does /Did sb + need to sth ?

6、Yes , do/ does / did No, sb dont / doesnt /didnt .You dont need to do it yourself. b.當主語是物時。Sth + need + doing sth = Sth +need to be done .The table needs painting . =The table needs _ _ _ .5.had better 的用法 1. had better + 動詞原形 = Its best to do sth . You had better _ stay at home . = _ _ _ stay at h

7、ome . 2. Had better not +動詞原形 We had better _not play the computer games .6.must 與have to 1.一般情況下，兩者可互換。 must = have to 2.must “必須，應該表示說話人的主觀看法，即說話人認為必須干某事。內在原因 have to “必須，不得不強調客觀需要，即外界因素迫使某人不得不干某事。外界原因 I cant stop playing the computer games . For your health ,Im afraid you _. A.can B.may C.must D.

8、had to 二情態(tài)動詞后跟完成式和進展式的用法1.情態(tài)動詞后跟完成式，表“本來應該干某事，而實際上沒干I should have finished the work earlier. He isnt here. He must have missed the train. 2. 情態(tài)動詞后跟進展式，表示“想必正在，“可能正在，“應當正在等意。Its twelve oclock. They must be having lunch. They may be discussing this problem. He cant be telling the truth. She shouldnt be working like that. Shes still so