人教版-選修6Unit2Poems語法虛擬語氣課件

1、Welcome !如果我有一千萬，我就能買一棟房子。我有一千萬嗎？沒有。所以我仍然沒有房子。如果我有翅膀，我就能飛。 我有翅膀嗎？沒有。 所以我也沒辦法飛。 如果把整個太平洋的水倒出，也澆不熄我對你愛情的火。 整個太平洋的水全部倒得出嗎？不行。所以我并不愛你。 第一次親密接觸 虛擬語氣 “一二三” 時 間從句謂語形式 主句謂語形式 與現(xiàn)在事實 相反 did (be 用were)would / could / might / should + do 與過去事實 相反had +donewould / could / might / should have + done 與將來事實 相反did (w

2、ere)should + dowere to + dowould / could / might / should + do退一 步 海闊天空 一 “表” 1.This printer is of good quality. If it _ break down within the first year, we would repair it at our expense.A. would B. should C. could D. might2.If the parents _at the hospital earlier after the accident, the child wou

3、ld have been saved.A. arrives B. arrive C. had arrived D. has arrived1.If you had taken my advice ,you wouldnt have failed in the exam. Had you taken my advice, you wouldnt have failed in the exam.2.If he were in the room now, he wouldnt feel so cold. Were he in the room now, he wouldnt feel so cold

4、.3.If I should have time ,I would go with you. Should I have time, I would go with you(省if)倒裝條件句Step 1、觀察思考。小結(jié)當(dāng)條件句中有_，_或_時，可省略_,把這三個詞提到句首。Eg: If I were not so busy, I would go with you.werehad(助動詞)shouldif注意：若條件從句為否定句，否定詞應(yīng)位于主語之后。Were I not so busy, I would go with you.含蓄條件句： But for your help, we co

5、uldnt have succeeded. Without air, we would not live even for five minutes. 以上句子中虛擬條件沒有使用從句，而是通過_短語來表示，這種句子叫做_。這種句子往往是有主句而無從句?？捎糜谶@種句式的介詞或連詞_/_/or/_等。含蓄條件句but forwithoutotherwise做題關(guān)鍵：通過句意判斷準(zhǔn)對什么時間的虛擬，然后選擇出正確的動詞形式。介詞 He hesitated for a moment before kicking the ball, otherwise he _ a goal. A. had score

6、d B. scored C. would score D. would havescoredwould havescoredPractice:假如你接受了我的意見，你現(xiàn)在就會好的多。You much better now if you my advice.would behad taken I _ you yesterday, but I was busy with my work. A. had helped B. would help C. would have helped D. helped_ 事實 三“從句” 1：虛擬語氣在名詞性從句中用法 關(guān)鍵詞 一堅持；二命令；三建議； 四要求

7、(should) do2:It is + adj./n. +that (should) do 關(guān)鍵詞 important / necessary / natural / strange/a pity/a shame） 3:虛擬在特殊句型中的用法 關(guān)鍵詞：wish, as if/though, if only, would rather 1. 表示要求，命令，建議等動詞后的賓語從句。一個堅持：insist兩個命令：order, command 三個建議：advise, suggest, propose四個要求：demand , require, request, desire 這些動詞后面的賓語

8、從句要使用虛擬語氣 用法。即從句中的動詞 使用should + 動詞原形，或者將should省略。注意insistsuggestI suggest that we _at once. (set off)The students insisted that they _ the meeting. (attend)His face suggested that he _ angry. (be)I insisted that he _ wrong. (be)waswas比較Special words(should) set off(should) attend 以上這些動詞的名詞形式 (sugges

9、tion ,proposal, request, order, advice, command)后面的表語從句和同位語從句中也要用虛擬語氣. My suggestion is that you ( should ) go home first before coming here.The order came that the work (should) be finished two days ahead of time 2.句型 ： It is + adj./n. +that (should) do（important / necessary / natural / strange/a p

10、ity/a shame）It is necessary that we study well. It is natural that he (should) think so . It is a pity that Mary should go to that dirty place. 4. If only 要是就好了 = I wishIf only I knew his name!If only we had followed your advice!If only I could see him again! 5.as if/though： He speaks English as if/

11、 though he is from the USA.He speaks English as if/ though he were from the USA.事實虛擬6. would rather that現(xiàn)在：過去：未來：did /werehad donedid /were小結(jié)Wish/if only/as if 1)現(xiàn)在：did/were2)過去： (had done)3)將來:(would/could) dowould rather1) 現(xiàn)在或?qū)?did/were2) 過去: (had done)“三反”“兩反”1.I wish I _ you yesterday. A. seen B. did see C. had seen D. were to see2.When a pencil is partly in a glass of water, it looks as if it _. A. breaks B. has broken C. were broken D. had been broken3.Id rather that you _ there yesterday and _ again next weekend. A. went ; should come B. should go ; had come C.