Unit 10 I’ve had this bike for three years.
重点短语:
at least millions of search for
stay the same according to in one’s opinion
yard sale board game check out
regard...as... no longer consider doing sth.
to be honest
语言知识归纳：
1. -How long have you had that bike over there?
-I’ve had it for three years.
(1) how long意为“多长时间”用来对for或since引导的时间状语提问。
(2) for后跟一段时间，谓语动词是延续性动词，常用语完成时中。
I have lived here for ten yeas.
【例题】( ) -______have you stayed in New York?
-For about two weeks.
A. How soon B. How often C. How long D. How far
( ) I have had the bike____I was 15 years old.
A.for B.since C.in D.on
2. My daughter was more understanding, although she also felt sad to part with certain toys.
certain是形容词，意为“某种；某事；某人”，后接名词。
For certain reasons, I will not come. 由于某些原因，我将不能来。
与certain相关的用法
be certain to do sth. 一定会做某事 Ann is certain to help us.
be certain of... 对……有把握 I’m certain of his success.
be certain that... 确信…… It’s certain that the earth is round.
3. Among se is ZhangWei, a 46-year-old husband and father.
among 是介词，用于三者或三者以上表示“在……中；……中之一”。
【例题】( ) This game is very popular ______the boys in my class.
A.between B.over C.among D.above
4. Whether you like Indian food, Western food or Japanese food, you’ll find it all in Singapore.
whether 用作连词，意为“不管……（还是）；或者……（或者）”。
常用结构有：whether...or...
Whether it is easy or it is difficult, we won’t give up.
5. We have decided to each sell five things that we no longer use.
no longer=not...any longer,常与延续性动词连用，意为“不再...”。
He no longer lives here.
He is no longer a student.
6. 延续性动词与非延续性动词。
完成句子
1. I borrowed the book two days ago.
→ I______________the book for two days.
2. I bought the bike two days ago.
→ I______________the bike for two days.
3. His cat died two days ago.
→ His cat_______________for two days.
延续性动词
表示行为或过程能持久地继续下去或能产生持久的影响，可以和 “段时间”连用。
常见的延续性动词有：work, keep, have, sleep, live, stay等。如：
They’ve learnt English for five years.
非延续性动词
又称短暂性动词或终止性动词，这类动词表示行为或过程是短暂的或瞬间完成结束。
常见的非延续性动词有：open, die, close, come, go, move, borrow, lend, buy, arrive, leave, join,
kill, lend, marry,reach等。不能和段时间连用。
延续性动词与非延续性动词的转换
非延续性动词 | 延续性动词 | 非延续性动词 | 延续性动词 | 非延续性动词 | 延续性动词 |
borrow | keep | begin/start | be on | come/go | be here |
buy | have | leave | be away from | get married | be married |
become | be | die | be dead | ||
put on | wear | finish | be over |
。