让步状语与条件状语从句课件

1、if 如果; unless 除非 as/so long as 只要; only if只要 in case 万一 on condition that 条件是 suppose/supposing (假设,常用于问句) provided/providing that (在的条件下；如果) 条件状语从句 1.时态：从句常用一般现在时代替一般将来时，主句一般用将来时2.unless=if not注意：如果明天下雪，我们就堆雪人。If it snows tomorrow, we will build a snowman.如果你赶不上第一班车你又要迟到了。Youll be late again unless

2、 you catch the first bus.（ifnot）只要你答应来，我们就等你来。As/so long as you promise to come，well wait for you until you come.=Only if you promise to come, 万一下雨，就不要等我了。In case it rains, do not wait for me.假如你又一次失败了，不要泄气，再试一次。Supposing you fail a second time, dont get discouraged and try again.液体进一步冷却的话，就会变成固体。Th

3、e liquid will turn to a solid on condition that it is cooled still further.1.You will fail the exam unless you study hard. 2.As long as you dont lose heart, you will succeed.3.Suppose/Supposing (that) they refuse us, who else can we turn to for help?4.In case there is a fire, what will you do first?

4、5.I will go provided/providing that my expenses are paid.6.You may keep the book a further week provided (that) no one else requires it. 1.You will be late _ you leave immediately.A. unless B. until C. if D. or2You can arrive in Beijing earlier for the meeting _ you dont mind taking the night train.

5、A. provided B. unless C. though D. until3.Well visit Europe next year _ we have enough money.A. lest B. until C. unless D. providedIf you dont leave immediately, you will be late.AAD1. You may use the room as you like_ you clean it up afterwards. A. so far as B. so long as C. in case D. even if2. My

6、 parents dont mind what job I do_ I am happy. A. even though B. as soon as C. as long as D. as though3. The medicine works more effectively _ you drink some hot water after taking it. A. as B. until C. although D. ifBCD让步状语从句（1）although, though, as, while, even if , even though（2）疑问词+ever=no matter

7、+疑问词whether, whetheror (not)although, though, as, while, even if , even though 都有“虽然，即使，尽管”之意，even if even though 语气较强，其他较弱。Although 比though 更正式一些,但两者不能与but连用，但可以与yet, still 连用。 Although they did heavy work that day, they were all in high spirits. She carries on the job even though she has had a bad

8、 cold for several days. While we dont agree on that, we continue to be friends. Although she has a lot of money, yet/ still she is not happy.1. _（尽管她我很丑), she is gentle.2.However_, you shouldnt start to eat before your host does. A. you are hungry B. are you hungry C. hungry are you D. hungry you are3. _ breaks the