英语教学 I have had this bike for three years.讲
义大全
1. —How long have you had that bike over there你买那辆自行车多长时间了
一I've had it for three years! I learned how to ride a bike on it.
——我买它三年了!我是用它学会骑自行车的。
since与for:引导表示一段时间的时间状语,用于现在完成时 或现在完成进行时的句子中,但since后跟点时间,而for后跟段时 间;另外,since还可作连词,引导一个时间状语从句。如:
I have been in class for 20 minutes/since 20 minutes ago.我上 课有二十分钟了。
I have been skating since I was five years old.我从五岁 时起就 一直滑冰。
(注意:since引导的从句应该用一般过去时。)辨析:how long 与 how soon
都可以用来提问时间。
一How long have you been there 你到那儿多长时间 了 ?
47. need 用法:
⑴实义动词:
need sth.需要某物need to do sth.需要做某事
need sb. to do sth.需要某人做某事sth. need doing某事需要被做(主动语态表示被动意义)
(2)情态动词:+动词原形常用于否定句和疑问句。
need需要,引导一般疑问句时,肯定回答用must,否定回 答用 needn't.
must必须,引导一般疑问句时,否定回答用needn't或don't have to.
may可以,引导一般疑问句时,否定回答用can't或mustn't.
非延续性动词和延续性动词的转化(Dhave lefthave/has been away (from)
(2)have started / begunhave/has been on(3)have boughthave/has had
(4)have borrowedhave/has kept(5)have diedhave/has been dead
(6)have joinedhave/has been a member(7)have/has been
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(8)have marriedhave/has been married49.How词组用法:
(l)How often多久一次,提问频率
(2)How soon多久(以后),回答用in+一段时间(常用于 将来时)
(3)How long多长时间,回答用for+一段时间或since+时间 点/从句(4)How far多远,提问距离
(5)How many +pl.多少(6)How much+不可数名词 多少
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一I have been there for 3 years,我去那儿三年了。
(2)how soon意为“还要多久”,是对从某个基本时间到将来某 动作结束或某动作发生这段时间提问,常用在一般将来时态的句 子中,其答语通常是“in+一段时间”。如:
一How soon will you arrive here还要多久你将到这儿?
一I will arrive here in 3 hours.我将在 3 小时后到达。
2.Amy wants to keep her old things because they bring back sweet memories.
艾米想保留她的旧东西,因为它们能带来甜美的回忆。
bring back拿回来;使恢复;使回忆起来。如:
Bring back some tea for me.替我捎些茶叶回来。
His singing brings back memories of my father.他的歌 唤起我 对父亲的回忆。
3.You can also give old things away to people in need.
你还可以把这些旧东西捐赠给需要的人。
inneed在危难中;在危急中;需要帮助的。如:
A friend in need is a friend indeed.患难见真情。
拓展:in need of需要。如:
I'm in need of your help.我现在需要你的帮助。
You're in need of a good education.你需要的是更好的教育。
check动词,”检查;审查”之意,常构成check out短语,意思是 “察看;观察”。
junior是什么意思Check your work before handing it in.交作业以前先检查一 遍。
Please check out these names and numbers.请把这些姓名和 号码检查一下。
5.We have already cleared out a lot of things from our bedrooms.
我们已经从卧室里清理出许多东西。
clear out清除;把清出。如:
We decided to clear out all the old clothes that we never wear.
我们决定把我们不再穿的旧衣服清除掉。
【链接】clean up打扫或清除干净;clean out打扫;清除污物。 如:
We often help to clean up the city parks.我们经常帮助清理城 市公园。
He cleaned out the garden.他把花园打扫干净。
6.We have decided to each sell five things that we no longer use .我们决定每人卖掉不再用的五件物品。
no longer不再,其确切含义为某状态在某个时刻之后不再继 续下去了。同义的短语是not ... any longer。no longer通常放在 行为动词的前面;和be动词连用时,放在系动词后面;而 any longer中的any longer通 常位于句末。如:
Fm no longer a student.我不再是个学生了。
He no longer lives here.=He doesn't live here any longer,他不 在这儿居住了。
【链接】no more和any more不再,但它们侧重程度和 数量。如:
You can drink no more.=You can't drink any more.你不能再 喝了。
[易错警醒]n。longer本身就带有否定的含义,即表示“再也 不”,所以不能在同一个句子中加入否定词。
7.Although she also felt sad to part with certain toys.
尽管失去某些玩具她也感到很难过。
(l)certain的用法:形容词,“某事,某人,某种”的意思。如:
Certain people might disagree with this.某些人对这事可能不 会赞同。
A certain Mr Brown telephoned when you were out.
你出去的时候,有个叫布朗的先生来过。
拓展:certain还有“确实;确信;确定”的意思。如:
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