高中英語復習北師大版《虛擬語氣在if條件句中的用法》ppt課件

1、Subjunctive mood 虛擬語氣在虛擬語氣在if條件句中的用法條件句中的用法六安第二中學 方芳; 虛擬條件句的要點虛擬條件句的要點 1虛擬語氣的定義虛擬語氣的定義2if型虛擬語氣的構造型虛擬語氣的構造3虛擬語氣的倒裝虛擬語氣的倒裝4混合虛擬語氣混合虛擬語氣;考點一考點一虛擬語氣定義虛擬語氣定義;假設我是一個百萬富翁，我就能買一棟大房子假設我是一個百萬富翁，我就能買一棟大房子. 可我是百萬富翁嗎？可我是百萬富翁嗎？ 假設我是一只鳥，我就能在天空中飛。假設我是一只鳥，我就能在天空中飛。If I should stay，I would only be in your way. So Ill

2、 go. ;Subjunctive mood Concept: The Subjunctive Mood is used for to talk about the situations that are not real or not likely become true. It expresses the speakers good wishes, dreams ,assumptions, imaginations or suggestions .;要點二要點二條件從句條件從句+主句主句; If I were a child now, I would be happier.contrary

3、 to the present;If she had time right now, she should certainly help you.contrary to the present;1.If I were a child, I would be happier.2. If she had time right now, she should certainly help you. Contrary to the PresentIf clause Main sentence If +s + _ s+_.Group 1 would/could /should/might+ dodid/

4、were;If they had obeyed the traffic rules , the car accidents would not have happened .contrary to the past;If you had worked hard ,you would have passed the exam .contrary to the past;Rose, if I hadnt won the ticket, I would not have been on the board. if I hadnt been on the board, I would not have

5、 met you.contrary to the past;1.If you had worked hard ,you would have passed the exam .2.If they had obeyed the traffic rules , the car accidents would not have happened .3.if I hadnt won the ticket, I would not have been on the board. 4.if I hadnt been on the board, I would not have met you. Contr

6、ary to the Past If clause Main sentence If +s + _ s+_.had donewould /could/should/might + have doneGroup 2;If it rained/ should rain/ were to rain tomorrow, I would stay at home.contrary to the future ;If I sold/should sell/ were to sell one box of matches, I would /could/should/might go home.contra

7、ry to the future ;1.If it rained/ should rain/ were to rain tomorrow, I would stay at home.2. If I sold/should sell/ were to sell one box of matches, I would /could/should/might go home. Contrary to the futureIf clause Main sentence If +s + _ s+_.would /could/should/might + doGroup 3did/werewere to

8、doshould do;要點三要點三虛擬語氣倒裝虛擬語氣倒裝;條件從句加主句的省略構造條件從句加主句的省略構造假設虛擬條件句的謂語部分有假設虛擬條件句的謂語部分有were，had和和should時，可省略時，可省略if，把，把were，had和和should放到從句主放到從句主語前面去，多見于書面語。語前面去，多見于書面語。構成：構成：省略省略if 把把were，had或或should提早提早;1.If I were a child, I would be happier.2. If she had time right now, she should certainly help you.

9、3.If you had worked hard ,you would have passed the exam .4.If they had obeyed the traffic rules , the car accidents would not have happened .5.If I hadnt won the ticket, I would not have been on the board. 6.If I hadnt been on the board, I would not have met you. 7.If it rained/ should rain/ were t

10、o rain tomorrow, I would stay at home.8. If I sold/should sell/ were to sell one box of matches, I would /could/should/might go home. ;1.If I were a child, I would be happier.=Were I a child, I would be happier. 2.If you had worked hard ,you would have passed the exam .=Had you worked hard ,you woul

11、d have passed the exam . ;3.If they had obeyed the traffic rules , the car accidents would not have happened .= Had they obeyed the traffic rules , the car accidents would not have happened. 4.If I hadnt won the ticket, I would not have been on the board. =Had I not won the ticket, I would not have

12、been on the board. ;5.If I hadnt been on the board, I would not have met you. =Had I not been on the board, I would not have met you. 6.If it should rain/ were to rain tomorrow, I would stay at home.=Should it rain / Were it to rain tomorrow, I would stay at home. 7. If I should sell/ were to sell o

13、ne box of matches, I would go home.= Should I sell / Were I to sell one box of matches, I would go home. ;要點四要點四混合虛擬語氣混合虛擬語氣;If you had followed my advice the other day, you could feel much better nowMixed conditionals;If it had rained last night, the ground could be wet for the present.Mixed condit

14、ionals;混合虛擬語氣混合虛擬語氣當條件從句謂語動詞與主句謂語動當條件從句謂語動詞與主句謂語動詞所表的時間不一致時，虛擬語氣詞所表的時間不一致時，虛擬語氣的方式應作相應的調整。主句和從的方式應作相應的調整。主句和從句的謂語動詞并不相互呼應，這種句的謂語動詞并不相互呼應，這種條件句叫混合條件句。條件句叫混合條件句。;1.2.I didnt see your sister at the meeting. If she _ (come), she_ (meet) my brother. .If I _( have)a lot of money now , I _ (buy)a villa. hadwould buyhad come would have met 3.I _ (study) English when I was a child if I _(know) the importance (重要性重要性)of it. would have studied had known ;4.I dont like exams