八年级英语下册 Unit1核心词汇
教材核心词汇知识链接及典例解读
一、used to曾经
教材原句
You used to share food with me!
你过去常与我分享食物!
背例句学搭配
His parents used to live in the countryside.
他的父母过去住在乡下。
固定搭配
used to do sth. 意为“过去经常做某事,以前常常做某事”,表示过去的习惯。本身已是过去时态,没有人称和数的变化,暗含现在已不再如此。
易混辨析
be used to doing sth.习惯于做某事
My father is used to reading newspapers after dinner.
我父亲习惯晚饭后读报。
be used to do 被用来做……
A pen is used to write with.笔是用来写的。
典例解读
1.My father _____________in a small village when he was a small child.
A.used to living B.was used to live
C.used to live D.use to live
【答案】C
【解析】句意:我父亲小时候住在一个小村庄。be used to doing sth.习惯于做某事,used to do sth.过去常常做某事,固定搭配。根据时间状语从句when he was a small child可知,此处是“我父亲过去常常住在一个小村庄。故选C。
2.My father _______ working on the farm, but he is a driver now.
A.is used to B.was used to C.used to D.gets used to
【答案】B
【解析】句意:我父亲过去在农场工作,但他现在是一名司机。根据 but he is a driver now 可知,前面应该是表示过去发生的事情,排除A和D;be used to doing sth.习惯于做某事,used to do sth.过去常常做某事,固定搭配。故选B。
3.My uncle used to _________ Chinese food, but now he has been used to______ Weste
rn food.
A.eat; try B.eat; trying C.eating; try D.eating; trying
【答案】B
【解析】句意:我叔叔过去吃中餐,但是现在他习惯吃西餐。used to do sth.过去常做某事;be used to doing习惯做某事,故选B。
二、since conj.自......以来
教材原句
I’ve lived here since I was born.
常见用法
since与现在完成时连用,后面可以接短语,如since 1994(自从1994年),since leaving school(自从离开学校),since也可以接句子,since I was born(自从我出生以来)
典例解读
1.I have lived here _______ I was born.
A.before B.when C.for D.since
【答案】D
【解析】自从我出生我就一直生活在这里。自从用since.
2.Our English teacher has taught us English in our school ______he came here.
A.when B.for C.before D.since
【答案】D
【解析】句意:自从我们的英语老师来这,他就在我们学校教我们英语。A. 当······时候,B. 因为,C. 在······之前,D. 自从,根据主句的时态以及从句的时态可知要用since引导时间状语从句,故选D。
3.She’s been off work _____ Tuesday.
A.when B.for C.before D.since
【答案】D
【解析】句意:自从星期二以来,她一直没上班。A. 当······时候,B. 因为,C. 在······之前,D. 自从,根据主句的时态以及从句的时态可知要用since引导时间状语从句,故选D。
三、return v.返回
教材原句
She’s just returned from the USA.
背例句学搭配
What time does your husband return from work?
你丈夫什么时候下班回家?
固定搭配
return from sw=go/get/come back from sw从…返回…
return to sw=go/get/come back tosw返回到…
名师点睛
返回到家return home,home家,副词,前面不用介词。
典例解读
1.He paid a visit to his English teacher as soon as he _______ home.
A.returned back to B.came back to
C.returned D.returned to
【答案】C
【解析】他一回到家就立马拜访了他的英语老师。前边paid过去时,所以此处returned也应为过去时。
2.Linda's elder brother will_________ home from the USA next week.
A.return back B.return to C.return back to D.return
【答案】D
【解析】句意:下周琳达的哥哥将从美国返回家。return不和back连用;return to someplace返回某地,home家,副词,前面不用介词,故选D。
四、yet adv. 还;仍
教材原句
My parents haven’t come back yet.
背例句学搭配
They haven't arrived yet.
他们还没到
固定搭配
yet(用于否定句)尚,还,仍;(用于疑问句)已经;
易混辨析
yet多用于否定句、疑问句,意为还、尚。
1.Have you got it yet?(疑问句)
你明白了么?/你收到了么?
2.I haven't had my car repaired yet.我还没修车。(否定句)
already多用于肯定句,表示一事实,意为已经。
We've already had the exam.
我们已考过试了。(肯定句)
典例解读
1.—Have you returned the book The Little Prince to the library_______?
—Yes, I have returned it.
A.yet; yet B.already; already
C.already; yet D.yet; already
【答案】D
【解析】句意:——你把《小王子》这本书还给图书馆了吗?——是的我已经归还了。yet还,用在否定句和疑问句中;already已经,用在肯定句中,故选D。
2. I have ________ seen The Wandering Earth, but I haven’t seen Changjinhu.
A.yet; yet B.already; already
C.already; yet D.yet; already
【答案】C
【解析】句意:我已经看过了《流浪地球》,但是我还没有看《长津湖》。already已经,用在肯定句中,yet还,用在否定句和疑问句中;故选C。
五、in some ways在某种程度上
教材原句
Well, in some ways it is.
背例句学搭配
In some ways, the answer is yes.
在某种程度上,答案是肯定的。
词汇联想
1) in the way = in one's way 挡路,碍事
You are in my/the way.你挡了我的路。
2) in this way这样/以这种方式
We can’t talk to him in this way.我们不能用这种方式和他说话。
3)By the way 顺便问
By the way, Who is on duty today?
顺便问一句,今天谁值日?
4) on the way 在路上 on the / one’s way (to)…
在某人去…的路上
I met two of my classmates on my way to school.
在上学的路上,我见到了两名同学。
典例解读
1. _________, you are right.
A. In some ways B. In the way C. On the way D. By the way
【答案】Aweight是可数名词吗
【解析】句意:在某种程度上,你是对的。A. In some ways在某种程度上;B. In the way挡路,碍事;C. On the way 在路上D. By the way顺便问。故选A。
2.—_______ the way, do you think life is better than before___________ many ways?
—Yes. It's much more colourful.
A.By; by B.By; in C.In; in D.In; by
【答案】B
【解析】句意:——顺便问一下,你认为生活的很多方面比以前好了吗?——是的。我的生
活更多姿多彩了。by the way顺便说,顺便问,固定短语;在某方面用介词in,故选B。
六、a bit一点点
教材原句
Now I feel a bitlonely from time to time.
常见用法
a bit稍微(多或少一些);稍微;稍稍;有点儿,修饰动词、形容词、副词和比较级。
背例句学搭配
I get a bit sad these days because my pet dog is lost.
这些天我有点难受,因为我的宠物狗丢了。
易混辨析
a bit 修饰动词、形容词、副词和比较级。
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