过去分词是动词的一种形式，在谓语中它可帮助构成完成式和被动语态，在非谓语中它在句中可做定语( Practice 2)表语(Practice 3), 宾语补足语(Practice 4) 和状语(Practice 5)

请分析下列句中的过去分词在句中的语法作用：

A = 定语　　 B = 表语　 C = 宾语补足语

D = 状语　　 E = 谓语的一部分

　　 (　　 ) 1.They threw away the worn–out shoes.

　　 (　　 ) 2.Hurry up! There is little time left.

　　 (　　 ) 3.Given better attention, the cabbages could have grown better.

　　 (　　 ) 4.She looked disappointed in the result.

　　 (　　 ) 5.You'd better have your shoes mended.

　　 (　　 ) 6.My watch is gone.

　　 (　　 ) 7.She has gone to the library.

　　 (　　 ) 8.The mountain was covered by the snow.

　　 (　　 ) 9.Don't get excited, boys and girls.

　　 (　　 ) 10.You should make yourself understood.

　　 (　　 ) 11.The girl dressed in red is good at singing.

　　 (　　 ) 12.The professor entered the lecture–room,followed by his students.

3．Disagreeing (表示不同意)

　　　 I can't accept that.

　　　 I couldn't agree with you .

　　　 I don't think so.

　　　 On the contrary. (正相反。)

　　　 Surely not.　　 (当然不)

2．Agreeing (同意)

　　　 I absolutely(certainly, quite,)agree with you . (我绝对 / 当然 / 很/ 同意你。)

　　　 I think so too.　　 (我也这样想。)

　　　 I suppose so.　　 (我看是这样。)

　　　 It certainly is.　　 ( 当然是这样。)

　　　 Oh, exactly.　　 ( 哦，一点不错。)

　　 [常用句型]　

　 　Do you think so ?

　 　Do you think that …?

　 　I agree with …

　 　No problem.

　 　I’m afraid I can’t agree with you

　 [示范引证]　 　

1. Asking if somebody agrees(询问某人是否同意)

　　　 Don't you agree?

　　　 You'd agree with me, wouldn't you ?

　　　 OK with you ? (你同意吗？)

　　　 Can I ask if you agree with…? (请问您是否同意 …?)

　　　 I wonder if you would agree with…. (不知您是否同意 …)

2．你该上学了。

　　 [误] It’s time you go to school.

　　 [正] It’s time you went to school.

　　 [析]it’s time后接从句时，从句的谓语动词用过去时；接不定式适用句型：It’s time to do

sth.或It’s time for sb. to do sth.。可接介词短语：It’s time for sth.

1．一旦做出决定，就应该执行。

　　 [误] Once a decision is reached, it must be firmly carried on.

　　 [正] Once a decision is reached, it must be firmly carried out.

　 　[析]动词词组carry on是“继续”之意，而carry out为“实行，执行，进行”

10．point out 意思是“指出”

　　 e.g. Can you point out the lady you referred to?

　　 你能指出你刚所说的那位女士吗？

　　 The teacher pointed out we would have the chances to enter college.

　　 老师指出我们都有上大学的机会。

　　 [典型错误例析]

9．be about to do sth. 正是(即将)做某事。

　 　　e.g. We were about to have dinner when the doorbell rang.

　　　 　　我们正要吃饭这时(突然)门铃响了。

(注意：该句中when为并列连词，不可将该句译为“当门铃响时，我们正要吃饭。”)

We waited until she was about to leave.

我直等到她即将离开。

8．try out　 意思是“试用”，“试试”(看行不行)。

　 　　　e.g. They are trying out new teaching methods.

　　　 　　他们在试行新的教学方法。

　　　 Try out several models of cars.

　 　　试一下这几型的轿车。

7. think up .:invent an idea/way. 想出(主意，办法等)

　Most of his after–dinner stories were thought up on the spur of the moment.

　他饭后讲的故事全都是他灵机一动编出来的。