译林英语选修8Unit2虚拟语气在IF条件句中的用法(共25张PPT)

would/should/could/might+动词原形
③were to+动词原形
反
要是我有足够的钱，我就要环游世界。
If I had enough money, I would go around the world.
SShhoouludld you come ttoo Brunei, you wwoouulldd havee ttoo take off your shoes before
We use unreal future conditionals to talk about imaginary future situations. E. g
1. If I hhaadd the chance, I wwoouulldd havee a cloned baby tomorrow.
• if I could have traveled to another country, I would have,
• Should you get into university in the future, you would have to go and take the opportunity.
10. IIwwoouulldd havee rreeaalllyyeennjojoyyeedditi.t. I think I wouulldd 11. hhaavve ssttuuddiieedd MMeeddicicininee. . IIff yyoouusshhoouuldldggeet tththee 12. cchhaanncceettooggoooovveerrsseeaass,, tthheennyyoouusshhoouuldldtatakekeit.it. 13. I think it is very important to try to understand 14. as much about the world as possible and travel 15. helps you to do that. Hopefully you might 16. become a successful business person or a 17. consultant some day. Weerreeyyoouutotoddooththaat,t, 18. youu wwoouullddcceerrtataininlylyhhaavveeouoruar papprporvoavlaalnadnwdewe 19. woouulldd aalllbbeevveeryrypprorouuddofoyf oyuo.u. I am an old
=
If I were you, I would get up early in the morning. Were I you, I would get up early in the morning.
=
注意： If 条件句中有were/should/ had, 可 以省去if, 并使用倒装语序.
Practice Read the instructions and the articles on page 41 and underline the sentences which use unreal conditionals.
2. How to form unreal conditionals or subjunctive?
We use unreal conditionals to state a present condition or situation that is not real or is imaginary. E. g
1. In my youth, ififIIccoouullddhhaave travveelleeddttooaannooththeer r 2. ccoouunntrtyry,,IIwwoouulldd havee, but I had to work, as our 3. family was very poor and needed another wage. 4.That meant I could not finish my education. 5. Ma Li, education is very important. A good 6. education will help you succeed. SShould yoouu 7. geett iinnttoo uunniivveerrssitityyininththeefufututurere, ,yoyuouwwouoludldhahvaeve 8. to go aannddttaakkeeththeeooppporotrutnuintyit.y. This will enable 9. you to get a good job. HHaadd II had theecchhaannccee, ,
Learning 1. What are unreal conditionals?
Unreal conditionals state a condition or situation that is not real or is imaginary .
如果假设的情况完全不存在或者实现的可 能性很小,可以说几乎没有时,这种条件句就 是非真实的条件句即虚拟条件句，在虚拟条 件句中就要用虚拟语气(subjunctive)来表达。
1.If life hhaadd not beeeenn so hard for me as a child, I woouullddnnootthhaavveestsatratertded working at such a young age.
2.If you hhaaddjojoinineedd the chat room ten minutes ago, you wouldd hhaavveekknnoowwnn what we were talking about
20.man now, but I still have an ambition to travel 21.to Beijing one day. SShhoouulldd II get to BBeeiijjiinngg,,II 22.wwoouulldd vviissiitt tthhee FFoorrbbiiddddeennCCitiytywwhhereerethtehe 23.eemmppeerroorrssoonnccee lived. But I wonder, Ma Li, 24. hhaad I haaddmmoorreeooppppoortrutunnititeiesswwhehnenI wI awsas 25.ggrroowwiinngg up, wwoouulldd IIhhaavveebbeenenasashahpappypaysas 26.I Iaammnnooww??
going to into someone’s house.=
If you should come to Brunei, you would have to take off your shoes before going to into someone’s house.
3. What can we do when we remove the “if”
1. If I wweere you, I woouullddssttuuddyy hard.
2.If I hhaad enough money, I wwoouulldd ggoo around
the world.
We also use unreal past conditionals to refer to an imaginary past action. E. g
If I should see him tomorrow, I would pass your note to him
= Should I see him tomorrow, I would pass…
If he had been there, he would have helped you. Had he been there, he would have helped you.
与过 had+过去分词 去事
would/should/could/might have+过 去分词
实相 要是你努力了话，你一定通过那次考试了。
反
If you had studied hard, you would have past that test.
与将 来事 实相
①动词过去式 ②should+动词原形
• The subjunctive used in ‘if’ conditionals
• Lead in
1. If I hhadd a pair of invisible wings ,I wWoouuld ffllyy in the blue sky.
2.. If you hhaad jjooinineedd the chat room ten minutes ago, you wwouullddhhavaevkenkownonwn what we were talking ck the sentences which use unreal conditionals
1. If I am free tomorrow , I will go shopping with you. 2. If I were you, I would study hard. 3. Even if I was very busy last week, I found time to exercise. 4. If life had not been so hard for me as a child, I would not have started working at such a young age. 5. If you like football, I can recommend a good coach for you. 6. If you had joined the chat room ten minutes ago, you would have known what we were talking about. 7. If I had the chance, I would have a cloned baby tomorrow. 8. If I got married in the UK, I would expect a present 9. If you were to fail my Maths test, I would have to take it again at the end of the term. 10. If you come to Brunei, you shouldn’t wear yellow.