初三英语上册第五单元知识点讲解Grammar

初三英语上册第五单元知识点讲解Grammar Art world

Grammar

重点单词’

1 highly adv.高度地;高地

highly作副词,意为〝高度地;高地〞,常用来修饰形容词或副词。

e.g. She is a highly educated woman.她是个受过高等教育的女人。拓展highly作副词时还可表示〝非常,极〞,其同义词为very;它还可表示〝(对某人、某事物)非常赞许地,极为称赞地〞,此时它常用于think/speak highly of sb.结构,表示〝对某人极为赞赏;对某人评价很高〞。

e.g. Her father is a highly successful politician.他爸爸是一位非常成功的政治家。

People all think/speak highly of Mike.人们对迈克的评价都很高。

2 last vi. 持续

last作不及物动词,意为〝持续〞,常与介词for连用,〝last for +时间〞表示〝持续多长时间〞。

e.g. How long does the show last?那场演出要持续多久?

The hot weather lasted for the whole month of June.炎热的天气在六月份持续了整整一个月。

拓展(1) last的其他用法

作限定词最近的;上一个的最后的;最末的

e.g.Did you see the game last night?你昨晚看了比赛没有?

He was the last one to leave.他是最后一个离开的。

作副词最近;上一次最后;最终

e.g. When did you see him last?你最近何时见过他?

Who is speaking last? 谁最后一个发言?

作名词最后来的人(或发生的事)

e.g. They were the last to arrive. 他们是最后到达的人。

(2) lately也为副词,意为〝最后一点;最后〞,常用来引出所列事情中的最后一项或最后一点,其同义词为finally。

e.g. Lastly, I would like to thank my parents for all their support 最后,我想感谢父母对我的全力支持。

重点短语，

1 be able to do sth.能够做某事

e.g. Ann was worried whether she'd be able to get there on time.安担心她是否能够按时赶到那里。

2 be open to sb.对某人开放

e.g. School playgrounds will be open Io the public.学校的操场将对公众开放。

3 out of breath.上气不接下气

e.g. I was out of breath after running for the bus.因为追赶公共汽车,我上气不接下气。

4 get bored感到厌烦

e.g. After a while 1 got bored and left. 过了一会儿，我感到厌烦,然后就离开了。

要点详解

1 Why is Tan able to build a bridge between the East and the Wes t?

为什么谭盾能够在东西方之间搭建起一座桥梁?

解析able是形容词，意为〝能,能够〞。be able to do sth.意为〝能够做某事〞。

e.g. I was able to skate when I was seven years old.七岁时,我就会滑冰了。

辨析be able to与can

be able to

强调在某具体事件中的能力,表示〝经过努力而成功地做成某事〞,适用于各种时态,且可以和情态动词连用,还可以构成动词不定式。

e.g. Luckily we were able to use the new machine.幸运的是,我们会使用这台新机器。

You must be able to speak French for this job. 干这项工作你得会说法语。

can

强调一般性的能力，表示〝有能力做某事〞,没有人称的变化，且只有现在时和过去时(could)两种形式,没有将来时和完成时。

e.g. I can't help you with your Maths.我不能帮你学数学。

He could read and write when he was five.他五岁时就能读书写字。

2 After a while , we saw Amy running towards us.过了一会儿,我们看见埃米向我们跑来。

解析作动词,意为〝看见〞,强调看的结果,其过去式和过去分词分别为saw和seen。

e.g. I looked at the blackboard carefully but I saw nothing.我仔细看了看黑板但什么都没看见。

He was seen running away from the scene of the crime.有人看见他从犯罪现场跑开。

辨析see sb. doing sth.与see sb. do sth.

see sb. doing sth.意为〝看见某人正在做某事〞，强调看见某动作正在进行。

e.g.I saw you playing soccer when I came to school.当我到校时,我看见你正在踢足球。(强调动作正在进行)

see sb. do sth.意为〝看见某人做了某事〞，强调看见某动作发生的全过程或经常性的动作。

e.g. I saw you put the key in your pocket. 我看见你把钥匙放进了口袋。( 强调动作发生的全过程)

I often see him play ping-pong.我经常看见他打乒乓球。(强调经常性的动作)