新概念第一册lesson87

try to do sth. 试图去做某事 （事情还未做） try doing sth. 尝试过干某事 （某事已做）
• The bike crashed ___ a tree. A. to B. on C. into • Have a ___ ! A. try B. try on
C. try to do
比较现在完成时和过去时的区别：
• 1. My father bought many books for me yesterday . • Now , I have a lot to read because my father has bought many books for me. ___________________________. • 2. I saw this film last week. • Now, I know this film because I ___________________. have seen it before • 3. I finished my homework yesterday. • Now, I can give it to the teacher because have finished it. I ________________.
时间上：
一般过去时和表示确定的过去时间状语连用。
如：yesterday,
now…
last year, in 1976，two days ago, just
但现在完成时可以和一些不确定的时间状语 连用，也可和包括现在在内的时间状语连用。
如：already,
yet, lately, never, recently, ever, never
meeting last Sunday?
did had
Have have
have
written wrote
Did
buy
Have
had had
Attendant: Isn't that your car? Mr. Wood: Well, it was my car. Attendant: Didn't you have a crash? Mr. Wood: That's right. I drove it into a lamp-post. Can your mechanics repair it? Attendant: Well, they're trying to repair it, sir.But to tell you the truth, you need a new car!
A car crash
Mr. Wood: Is my car ready yet? Attendant: I don't know, sir. What's the number of your car? Mr. Wood: It's LFZ 312 G. Attendant: When did you bring it to us? Mr. Wood: I brought it here three days ago. Attendant: Ah yes, I remember now. Mr. Wood: Have your mechanics finished yet? Attendant: No, they're still working on it. Let's go into the garage and have a look at it.
fix v. 修理 非正式用语
一般用于“修补”破损 的东西。
mend v. 修理，修补
try
v. 努力，设法
have a try 试一试
try on sth. 试穿
try one’s best 竭尽全力干某事
I try losing my weight , but I failed.
I try to dance everyday in order to change myself return to before .
already yet
Have your mechanics finished yet?
ever
just
never
还记得上节课中所提到的用于完 成时的5个做时间状语的词吗？
• 现在完成时： • 1. already 用于肯定句，讶位于句尾 • 2. yet 用于否定句和疑问句，位于句尾 • 3. just 用于肯定句和疑问句， 位于助动词 have/has 和动词的过去分词之间 • 4. ever 用于肯定句和疑问句，位于助动词 have/has 和动词的过去分词之间 • 5. never 用于肯定句，位于助动词have/has 和 动词的过去分词之间
（ 3 ）crash （ 5 ）repair （ 1 ）bring
（ 4 ）lamp-post 灯杆 （ 6）trying （ 2）garage
bring
v. 带来，送来
He brought me a present.
bring sb. sth. = bring sth. to sb. bring sth. with. sb. 随身带来某物
Attendant: Isn't that your car? Mr. Wood: Well, it was my car. Attendant: Didn't you have a crash? Mr. Wood: That's right. I drove it into a lamp-post. Can your mechanics repair it? Attendant: Well, they're trying to repair it, sir.But to tell you the truth, you need a new car!
结构上：
过去发生对现在造成的影响
have done
过去发生的事实
did
小结：
• 1. 表完成时的时间状语。（五个词） • 2. 一般过去时和现在完成时的区别 （标志、结构）
She got a television two weeks ago.
He heard the news yesterday.
bring down
bring in
bring back
• bring
take
Take away your dirty hands.
I left my purse at home, I have to get/fetch it.
Do you remember seeing me in Wuhan?
Oh, I can’t remember. I remember to see an old friend in Wuhan.But not you.
remember to do记得做某事（还没做）
remember doing记得做过某事（已经做了）
repair v. 修理
常用于大件或比较复杂的东西，作 “修理”或“安装”讲；还用于修 筑堤坝、道路和建筑等。
Lesson 87-88
A car crash Have you…yet?
• Can the mechanics repair Mr. Wood’s car?
• Not really. It’s too badly damaged.
A car crash
Mr. Wood: Is my car ready yet? Attendant: I don't know, sir. What's the number of your car? Mr. Wood: It's LFZ 312 G. Attendant: When did you bring it to us? Mr. Wood: I brought it here three days ago. Attendant: Ah yes, I remember now. Mr. Wood: Have your mechanics finished yet? Attendant: No, they're still working on it. Let's go into the garage and have a look at it.