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Since用法总结及习题

Since用法总结及习题
Since用法总结及习题

一.Since作为介词,后接某一确定的时间点,主句谓语动词是持续性动词,常与现在完成时态、现在完成进行时态或过去完成时态连用。例如:

1、He left the village in 1982 and I haven’t seen him since then.1982年他离开这个村子,从那以后我再没见过他。

2、She’s been working in a bank since leaving school.她中学毕业后就一直在一家银行工作。

3.He had spoken to her only once since the party. 自从那次聚会以来,他只跟她说过一次话。

二.Since作为副词,表示从过去以来、以后或到现在的情形或状态,常与现在完成时态连用。例如:

1.He left home two weeks ago and we haven’t heard from him since. 他两周前离开了家,到现在我们一直没有他的消息。

2.He came to Zhenjiang 6 years ago and has lived here (ever) since.他6年前来到镇江,从此便住在这里。

三.since引导原因状语从句

作为连词,since可引导原因状语从句,表示因为;既然;鉴于:例如:

1.He didn’t come since he was busy.他因为忙,所以没有来。

2.Since this method doesn’t work,let’s try anoter.既然这种方法不行,我们就试用另一种吧。

四.Since在特殊句型中的应用

句型I:“It is(has been)+时间+since+持续性动词的过去时”,表示“自从……以来到现在已有多久。”例如:

It has been quite some time since I was last in London.我上次离开伦敦至今颇有一段时间了。

句型II:“It was+时间+since+持续性动词的过去完成时”,表示“从……到过去某时间点以来”,例如:It was three years since we had been here.那时我们在这已呆了三年。

六.巩固练习

(一)单项选择

1.—Do you smoke?

—_____ .It's two years since I smoked.

A.Yes,I do B.No,I don't C.Not too much D.Oh,but I wish I didn't

2.Since you are busy, you __________ tomorrow.

A. don’t need come

B.need not come

C. needn’t come

D.mustn’t come

3.---Has he been home?

---______,he _________home since he graduated.

A. No; hasn't been

B.Yes;has been

C.No; isn’t

D.Yes; is

4.They _________friends since they met in Shanghai.

A.haven’t been

B.have been

C. aren’t

D. a re

5.I_______here since he left the door open,but it seems that he won’t come back today.

A. have been waiting

B.will have waited

C.was waiting

D.waited

6.I _________ from him since he has lived here.

A. heard

B. have heard

C. have never heard

D.have been hearing

7. He came to China _______ 1998.

A. from

B. since

C. at

D. in

8.-- Excuse me.Did you notice whether the No.18 bus had gone by?

--I don't know_ I began to stand here just now.

A.as

B.when

C.since

D.while

现在完成进行时和现在完成时练习

1. —I’m sure Andrew will win the first prize in the final.

— I think so. He ________ for it for months. (2008江苏)

A. is preparing

B. was preparing

C. had been preparing

D. has been preparing

2. By the time he realizes he _________ into a trap, it’ll be too late for him to do anything about it. (2008山东)

A. walks

B. walked

C. has walked

D. had walked

3. So far this year we _______ a fall in house prices by between 5 and 10 percent. (2008福建)

A. saw

B. see

C. had seen

D. have seen

4. Cathy is taking notes of the grammatical rules in class at Sunshine School, where she ______ English for a year. (2007湖南)

A. studies

B. studied

C. is studying

D. has been studying

5. Danny _________ hard for long to realize his dream and now he is popular. (2007福建)

A. works

B. is working

C. has worked

D. had worked BCABACDCDCDDC

小学语文五年级引号、省略号、破折号用途专项练习汇总

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综合练习题: 1.[“] 非常抱歉,孩子 [,][ ”]大树说 [ ,][ “] 我没有什么可以给你的了 [!][ ”] 2.[“]我没有苹果了 [!][”] [ “] 我的牙齿已经老化,吃不动苹果了[。][ ”]孩子说 [。] 3.[“] 我没有枝条了 [ ,][ ”] 大树说 [,][“ ]你没法儿在上面荡秋千了[!][ ”] [ “] 我太老了,不能再荡秋千了[ !][ ”]孩子说 [。] 4.[“] 我现在需要的实在不多 [ ,][ ”]孩子说 [,][“]只想找个安静的地方坐坐,好好休息。我太累了[!][ ”] [“]那好吧 [,][ ”]大树说 [,]它尽量把身子挺高。 [“]你看,我 这个老树墩,正好叫你坐在上面休息。来吧,孩子,坐下吧,坐在我身上休息吧 [!][ ”] 学习运用引号的练习(二) 引号的作用有 : ①表示直接引用:②表示突出强调:③表示否定或者讽刺:④表示特定称谓: ⑤用来引用俗语、谚语、歇后语、古语等: 1、这样的“聪明人”还是少一点好。() 2、这是我们组办的“热爱大自然”的手抄报。()

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过去完成时知识点总结和题型总结(word)

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破折号和省略号用法练习

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It的用法及典型句型归纳. 个人总结

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英语过去完成时的用法总结

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一般说来,各种时态都有特定的时间状语。与过去完成时连用的时间状语有: (1 ) by + 过去的时间点。如: I had finished reading the novel by nine oclock last night、 (2 ) by the end of + 过去的时间点。如: We had learned over two thousand English words by the end of last term、 (3 ) before + 过去的时间点。如: They had planted six hundred trees before last Wednesday、 2、由“过去的过去”来判定。 过去完成时表示“过去的过去”,是指过去某一动作之前已经发生或完成的动作,即动作有先后关系,动作在前的用过去完成时,在后的用一般过去时。这种用法常出现在: (1 )宾语从句中 当宾语从句的主句为一般过去时,且从句的动作先于主句的动作时,从句要用过去完成时。在told, said, knew, heard, thought等动词后的宾语从句。如: She said that she had seen the film before、 (2 )状语从句中

省略号的作用及练习题

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4、花开花落,候鸟迁徙,四季轮回,潮汐涨落……自然界的周期重演现象可曾引起过你的注意?() 5、古老的钟嘶哑地敲了十下,十一下……() 6、谢谢上帝,总算活着回来啦。……我不在,你在家里做什么呢?() (这里的省略号表示语意的跳跃、转折。前一句是感慨自己回来了,后一句就问家里人在家做什么了) 7、黄山松千姿百态,有的状如黑虎,有的形似孔雀……() 8、小鹰急促地喘着气,对老鹰说:“现在……我总算……会飞了吧!”() 9、穿长袍的问:“这位是……”“我的兄弟。”戴礼帽的回答。() 10、有的像蜜蜂一样嗡嗡,有的像小鸟一样啾啾,有的像小狗一样汪汪,有的还好像在打鼾……() 11、“上级……派我……到这儿……工作,我没……有……完成……上级……交给我的……任务。”() 12、就在那样不平凡的时刻,在那个可纪念的地方,我第一次听见唱:二月里来,好风光,家家户户种田忙。……() 13、听筒里传来十分响亮而焦灼的声音:“时间来不及了,请马上设法空运……空运!”() 14、孔乙己低声说道:“跌断,跌、跌……”他的脸色,很象恳求掌柜,不要再提。() 15、(场长)介绍给我们看董昆他们打的野物皮子:狐狸、貉子、獾、水獭、野猫……种类实在不少。() 16、他……直指着正北方向,“好,好同志……你……你把它带给……”() 17、“我并没有阔哩,我须卖了这些,再去……”() 18、“啊呀呀,你放了道台了,还说不阔?你现在有三房姨太太;出门便是八抬大轿,还说不阔?……吓,什么都瞒不过我。”() 19、何为:梅伯母的身体已经经不起路上的颠簸了!欧阳平:…… ()

it的用法及句型总结

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2. one代替前面提到的同类事物中的一个。该事物只能是可数名词,前面可以有冠词,也可以被this、that或形容词修饰,其后也可以有定语。(泛指,指代可数名词,指代人或物,同名异物) I have a bike. Do you have one Eg: (1).I bought a dictionary three years ago and I am still using______ now. (2) I bought a dictionary three years ago but I am going to buy a new _______soon. (3). that代替前面提到的同类事物中特指的一个。该事物既可以是可数名词也可以是不可数名词,必须要有后置定语,但不可以有前置修饰语。(特指,指代单数或不可数,指代物,后面有定语) The coffee produced in Brazil is more famous than __________in Mexico. 四:形式主语、宾语、强调句及其他

过去完成时用法小结

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省略号、省略号的作用及举例(1)

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