于理解與記憶，我們把虛擬語氣分成三大塊來討論：1.名詞從句中的虛擬語氣 標志詞+should+動詞原形2.條件從句中的虛擬語氣 ①三種基本態 ②倒裝虛擬句 ③混時虛擬句 ④含蓄虛擬句 ⑤跳層虛擬句3.其它情形中的虛擬語氣

　　一.三種基本形態

　　表虛擬的時間 if從句謂語形式 主句謂語形式

　　現在： did / were would +do

　　過去： had done/ had been would +have done

　　將來： were to/ should+do would +do

　　三種基本形態

　　與現在事實相反：If I had enough money, I would buy a book.

　　與過去事實相反：If I had had enough money, I would have bought a book.

　　與將來事實相反：If I were to have enough money, I would buy a book.

　　If I should have enough money, I would buy a book.

　　二、倒裝虛擬句

　　Had I had enough money, I would have bought a book.

　　Were I to have enough money, I would buy a book.

　　Should I have enough money, I would buy a book.

　　三、混合時間虛擬語氣

　　If I had studied English at school, I could read the English novel now.

　　If she were not so careless, she wouldnt have made such a mistake.

　　四、含蓄虛擬句

　　What would I have done without you?

　　But for their help, I would not have finished the task.

　　But that the doctor arrived on time that day, they would have been dead.

　　Given more time, I would have been able to finish the test.

　　五、跳層虛擬句 He would put on weight, but he doesnt eat much.

　　He would have put on weight, but he didnt eat much.

　　 I forget where I read the article, or I would show it to you now. ask, advise, beg, command, demand, decide, desire, insist, order, prefer, propose, require, recommend, request, suggest, urge等表示命令、要求、建議等含義的動詞后的賓語從句中，謂語動詞用+動詞原形, eg. I suggest / suggested that we go tomorrow.名詞從句虛擬語氣 It is ++that的從句中，形容詞主要是表示令人吃驚的、重要的、必要的、關鍵的等詞匯。形容詞：astonishing, amazing, advisable, appropriate, crucial, desirable, essential, important, imperative, keen, necessary, natural, normal, odd, proper, preferable, strange, sorry, shocked, surprising, urgent, unusual, vital等。名詞從句虛擬語氣 過去分詞：decided, desired, demanded, ordered, requested, recommended, suggested等;名詞：advice, decision, desire, demand, suggestion, motion, pray, resolution, wish, preference, proposal, recommendation, requirement, idea, order等

　　七、其它虛擬語氣 Wish

　　I wish I knew the answer./ I wish I had known the answer.

　　I wish you would shut up.

　　If only If only I were taller. / If only he had followed your advice! /If only the rain would stop.

　　It is time It is time you thought about your future.

　　would rather I would rather you didnt speak rudely to her.

　　Id rather you hadnt spoken rudely to her.

　　Lest, in case, for fear that，這是因它們答案特征相同，即 +動詞原形。eg. He took his umbrella lest it should rain.

　　大學英語虛擬語氣考題總結:答案的特征

　　1.+動詞原形記住信號詞以及lest.2. 一般過去時：wish/If only/would rather/Its time that.

　　3.基本形式,特別注意時間狀語

　　4.倒裝的兩個時間：與過去，與將來相反;三個形式提前大寫，if省去;

　　5.but/or/or else/otherwise

于理解與記憶，我們把虛擬語氣分成三大塊來討論：1.名詞從句中的虛擬語氣 標志詞+should+動詞原形2.條件從句中的虛擬語氣 ①三種基本態 ②倒裝虛擬句 ③混時虛擬句 ④含蓄虛擬句 ⑤跳層虛擬句3.其它情形中的虛擬語氣

　　一.三種基本形態

　　表虛擬的時間 if從句謂語形式 主句謂語形式

　　現在： did / were would +do

　　過去： had done/ had been would +have done

　　將來： were to/ should+do would +do

　　三種基本形態

　　與現在事實相反：If I had enough money, I would buy a book.

　　與過去事實相反：If I had had enough money, I would have bought a book.

　　與將來事實相反：If I were to have enough money, I would buy a book.

　　If I should have enough money, I would buy a book.

　　二、倒裝虛擬句

　　Had I had enough money, I would have bought a book.

　　Were I to have enough money, I would buy a book.

　　Should I have enough money, I would buy a book.

　　三、混合時間虛擬語氣

　　If I had studied English at school, I could read the English novel now.

　　If she were not so careless, she wouldnt have made such a mistake.

　　四、含蓄虛擬句

　　What would I have done without you?

　　But for their help, I would not have finished the task.

　　But that the doctor arrived on time that day, they would have been dead.

　　Given more time, I would have been able to finish the test.

　　五、跳層虛擬句 He would put on weight, but he doesnt eat much.

　　He would have put on weight, but he didnt eat much.

　　 I forget where I read the article, or I would show it to you now. ask, advise, beg, command, demand, decide, desire, insist, order, prefer, propose, require, recommend, request, suggest, urge等表示命令、要求、建議等含義的動詞后的賓語從句中，謂語動詞用+動詞原形, eg. I suggest / suggested that we go tomorrow.名詞從句虛擬語氣 It is ++that的從句中，形容詞主要是表示令人吃驚的、重要的、必要的、關鍵的等詞匯。形容詞：astonishing, amazing, advisable, appropriate, crucial, desirable, essential, important, imperative, keen, necessary, natural, normal, odd, proper, preferable, strange, sorry, shocked, surprising, urgent, unusual, vital等。名詞從句虛擬語氣 過去分詞：decided, desired, demanded, ordered, requested, recommended, suggested等;名詞：advice, decision, desire, demand, suggestion, motion, pray, resolution, wish, preference, proposal, recommendation, requirement, idea, order等

　　七、其它虛擬語氣 Wish

　　I wish I knew the answer./ I wish I had known the answer.

　　I wish you would shut up.

　　If only If only I were taller. / If only he had followed your advice! /If only the rain would stop.

　　It is time It is time you thought about your future.

　　would rather I would rather you didnt speak rudely to her.

　　Id rather you hadnt spoken rudely to her.

　　Lest, in case, for fear that，這是因它們答案特征相同，即 +動詞原形。eg. He took his umbrella lest it should rain.

　　大學英語虛擬語氣考題總結:答案的特征

　　1.+動詞原形記住信號詞以及lest.2. 一般過去時：wish/If only/would rather/Its time that.

　　3.基本形式,特別注意時間狀語

　　4.倒裝的兩個時間：與過去，與將來相反;三個形式提前大寫，if省去;

　　5.but/or/or else/otherwise