高三英语非真实条件句If的用法。

如果上天能够给我一个再来一次的机会， 我会对那个女孩子说三个字：我爱你。 如果非要在这份爱上加上一个期限，我希望是--一万年!
If the God ________________________(give) me should /were to give/gave another chance，I_____________ would tell (tell)the girl three words: I love you! If our love _________ had to (have to) be set a time limit, I wish it would ___________ be (be)10,000 years!
Unit 1 Art Grammar Subjunctive Mood
A Guessing Game
How old do you think I am?
What is Subjunctive Mood ? In Chinese: 虚拟 真实
表示说话人所说的话不是事实,而是一种假设,愿望, 怀疑或推测. -------虚的，假的，扯淡的
2. If my father _____ here now, he ______ tell me what to do. A.were; would
B. were; will
C. is; would D. is; will
3. If I _____ in the 22nd century, I ________ my vocation in a very different way.
Our aims:
Today,we are going to learn
1. Know about three sentence structures of “If ”.
2.Master the usage of Subjunctive Mood.
What will you do if it rains tomorrow? I will stay at home if it rains tomorrow.
practice
1.If I ____ where he lived yesterday， I ____ a note to him.
A.knew， would
B. had known， would have sent
C. know， would send D. knew， would have sent
situationswenku.baidu.com
If I were_____, I would/could/should/might _____.
Talk about imaginary situations in the past
Mr Black had an accident because he made a phone call while driving. If--If Mr Black had not made a phone call ,he would/could/should/might not have had an accident .
Conclusion:
以上例句谈论的都是与 过去 事实相反的情况
If +主语 + had done sth ,
主语+ would/should/could/might+have done
.
If it were Sunday tomorrow, what would you do ?.
If I won/should win /were to win the lottery (彩票) one day, I would… What would you do if you had/should have/were to have a lot of money?
if的省略 如果条件句中有were,had,should 等助动 词，可将if省略，而把were,had或should置 于句首,来表达以if引导的条件句的相同意思。
2.含蓄条件句与主句.
即用without, but for, or(else)代替if从句。
Eg：
Without/But for his help, we __________ (make) such great progress. ＝ If we _______ hadn’t got his help, we wouldn’t have made such great progress.
陈述语气！
真实条件句用于陈述语气,假设的情况 可能发生,其中if是“如果”的意思
条件从句 一般现在时
主句 will \shall +动词原形
虚拟语气
If I were your teacher, I would give you no homework.
If you were one of them now, would/should/could/might you do the same thing?
Shuold be put off. wereit to rain tomorrow, the meeting would =____ it rain/____ ______
翻译：如果他昨天见到你，他就会归还你的书。 If he had seen you yesterday, he would have returned your book. =_____ Had he seen you yesterday, he would have returned your book.
wouldn’t have made
3. 错综时间虚拟条件句:即条件从句与主句所 指时间不一致，如从句指过去，而主句即指的 是现在或将来，此时应根据具体的语境情况对 时态作相应的调整。如：
had rained last night, the ground 1).If it ________ would be wet now. ________ 要是昨晚下过雨的话，现在地面就会是湿的。 be 2).You Would ______much better now if you _______(take) my advice. had taken 假若你当时听我的话，你现在就会好多了。
If I were one of them, I would not dump the
leftover on the tables（倒剩饭菜在桌子上）. If I were the man, I would jump the queue.
Conclusion: 以上例句谈论的都是与 现在 事实相反的情况 If+主语+ did(were) , 主语+ would/should/could/might+动词原形 .
A.should live; would spend
B. will live; should spend
C. are living; should have spent D. will be living; would have spent
4、The volleyball match will be put
cheat in the exam use mobile phone in class
sleep in class
If you were one of them,
would/should/could/might you do the same thing?
不许插队！！ jump the queue
Watch and learn:
If it were Sunday tomorrow, I would go to see a film. If it were Sunday tomorrow, I would go to play computer games. If I won/should /were to win the lottery (彩票) one day, I would help some poor
did / were had done 1. did / were 2. should do 3. were to do
would/could/should /might +V.(原) would/could/should/ might+have+p.p.
将来
would/could/should /might + V.(原)
climb over the traffic rails
dump the
litter
leftover on the tables （倒剩饭菜在 桌子上）
Watch and learn:
If I were your teacher, I would give you no homework. If I were one of them, I would not cheat in the exam. If I were the student, I would not use the mobile phone in class.
people.
Conclusion: 以上例句谈论的都是与 将来 事实相反的情况 If + 主语 + did(were to /should do) , 主语+ would/should/could/might +动词原形 .
虚拟语气主从句的谓语形式
时间 If 从句的谓语形式 主句的谓语形式
现在 过去
Li Lei was so sleepy that he fell asleep while having class. If---
If Li Lei had not been so sleepy,he would not have fallen asleep while having class.
Homework
Finish the exercises on the book (page 5).
off if it ___. A. will rain B. rains
C. rained
D. is rained
答案B 真实条件句主句为将来时, 从句用一般现在时。
合作探究
1.翻译：如果明天下雨，会议就会被推迟。 If it should /were to rain tomorrow, the meeting would be put off.