高中英語(yǔ)復(fù)習(xí)北師大版《虛擬語(yǔ)氣在if條件句中的用法》ppt課件

1、Subjunctive mood 虛擬語(yǔ)氣在虛擬語(yǔ)氣在if條件句中的用法條件句中的用法六安第二中學(xué) 方芳; 虛擬條件句的要點(diǎn)虛擬條件句的要點(diǎn) 1虛擬語(yǔ)氣的定義虛擬語(yǔ)氣的定義2if型虛擬語(yǔ)氣的構(gòu)造型虛擬語(yǔ)氣的構(gòu)造3虛擬語(yǔ)氣的倒裝虛擬語(yǔ)氣的倒裝4混合虛擬語(yǔ)氣混合虛擬語(yǔ)氣;考點(diǎn)一考點(diǎn)一虛擬語(yǔ)氣定義虛擬語(yǔ)氣定義;假設(shè)我是一個(gè)百萬(wàn)富翁，我就能買一棟大房子假設(shè)我是一個(gè)百萬(wàn)富翁，我就能買一棟大房子. 可我是百萬(wàn)富翁嗎？可我是百萬(wàn)富翁嗎？ 假設(shè)我是一只鳥(niǎo)，我就能在天空中飛。假設(shè)我是一只鳥(niǎo)，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(diǎn)二要點(diǎn)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(diǎn)三要點(diǎn)三虛擬語(yǔ)氣倒裝虛擬語(yǔ)氣倒裝;條件從句加主句的省略構(gòu)造條件從句加主句的省略構(gòu)造假設(shè)虛擬條件句的謂語(yǔ)部分有假設(shè)虛擬條件句的謂語(yǔ)部分有were，had和和should時(shí)，可省略時(shí)，可省略if，把，把were，had和和should放到從句主放到從句主語(yǔ)前面去，多見(jiàn)于書(shū)面語(yǔ)。語(yǔ)前面去，多見(jiàn)于書(shū)面語(yǔ)。構(gòu)成：構(gòu)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(diǎn)四要點(diǎn)四混合虛擬語(yǔ)氣混合虛擬語(yǔ)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(yǔ)氣混合虛擬語(yǔ)氣當(dāng)條件從句謂語(yǔ)動(dòng)詞與主句謂語(yǔ)動(dòng)當(dāng)條件從句謂語(yǔ)動(dòng)詞與主句謂語(yǔ)動(dòng)詞所表的時(shí)間不一致時(shí)，虛擬語(yǔ)氣詞所表的時(shí)間不一致時(shí)，虛擬語(yǔ)氣的方式應(yīng)作相應(yīng)的調(diào)整。主句和從的方式應(yīng)作相應(yīng)的調(diào)整。主句和從句的謂語(yǔ)動(dòng)詞并不相互呼應(yīng)，這種句的謂語(yǔ)動(dòng)詞并不相互呼應(yīng)，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