九年级英语第十六单元
要点解析
1.be able to (do) 能(做),会(做)
be able to在JIII-37 已学过,它和can意思相近,但be able to 可有更多的时态形式,还可和情态词连用,也可用于不定式等短语中,例如:
1) Are you able to come tomorrow? (=Can you come tomorrow?)
你明天能来吗?
2)I\'m afraid he won\'t be able to go to school today.
恐怕他今天不能去上学了。
3)I was able to catch what he said.
我听懂了他说的话。
4)We haven\'t been able to find her.
我们一直没能找到她。
5) You are better able to do it than I am.
你比我更有能力做此事。
6) He must be able to do it.
他一定能做这件事。
7) I would like very much to be able to read, but I\'m too old to learn.
我非常想能看书,可是我年纪太大了学不了了。
2. be made of…用(某种原料)做的,用…制成
be made in…在(某地)制造
1)This knife is made of metal and wood.
这把刀子是用金属和木头做的。
2)This necklace is made of glass.
这个项链是用玻璃做的。
3)These flowers are made of paper.
这些花儿是用纸做的。
4) This watch is made in Switzerland.
这只表是瑞士制造的。
5) These bicycles are made in China.
这些自行车是中国制造的。
3. be used for…被用来(作某种用途)
介词for表示目的,后接名词、代词或动名词。例如:
1)The knife is used for cutting things.
刀子是用来切割东西的。
2) English is widely used for business.
英语被广泛用于商业。
3) The hall was used for our party.
礼堂被用来举办我们的晚会了。
4) Bamboo can be used for building.
竹子可以用于建筑。
be used as…被用作
介词as意为\"作\"、\"当作\"。as引出的短语在句中作补足语。例如:
1) English is used as the second language in that country.
在那个国家英语被用作第二语言。
2) The card is used as a bookmark.
这张卡片被用作书签。
3) He was used as a stepping stone.
他被人用作垫脚石了。
4)English is used as the first language by most people in the USA, Great Britain, Canada, Australia and New Zealand.
英语被美国、英国、加拿大、澳大利亚和新西兰的大多数人用作第一语言。
be used by…被…所使用
介词by意为\"被\"、\"由\",用来引出被动语态中动作的执行者。例如;
1) English is used by travellers and business people all over the world.
英语被全世界的旅行者及商人们使用。
2) French is used by some Canadians as their first language.
法语被一些加拿大人用作第一语言。
3) Bicycles are widely used by us.
自行车被我们广泛使用。
4. leave school离开学校,毕业
中等学校毕业常说 leave school或 finish school。
l)When did you leave school?
你什么时候毕业的?
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