2022年2022年since用法小结

1、精选学习资料 - - - 欢迎下载since 用法小结一 since 作为介词,后接某一确定的时间点,主句谓语动词为连续性动词, 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；精品学习资料精选学习资料 - - - 欢迎下载2.she s been working in a bank since leaving scho她ol中.学毕业后精品学习资料精选学习资料 - - - 欢迎下载就始终在一家银行工作；精

2、品学习资料精选学习资料 - - - 欢迎下载3.he had spoken to her only once since the party自.从那次聚会以精品学习资料精选学习资料 - - - 欢迎下载来,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：1he left home two weeks ago and we haven t heard from him since.他两周前离开了家,到现在我们始终没有他的消息；2he came to zhenjiang 6 years ago and has lived here

3、 ever since.他 6 年前来到镇江,从今便住在这里；三 since 引导缘由状语从句精品文档沟通精品学习资料精选学习资料 - - - 欢迎下载作为连词, since 可引导缘由状语从句,表示由于；既然；鉴于：例如：1he didn t come since he was bu他s因y. 为忙,所以没有来； 2since this method doesnt work、 let s tarnyother.既然这种方法不行,我们就试用另一种吧； 四 since 引导时间状语从句1如 since 引导的状语从句的谓语为终止性动词的过去时,就从句表示的时间为 “从动作开头的那一时刻起”；例如

4、：he has studied very hard since he came to our schoo自l.从他来到我们学校,他学习就特别努力；we have been missing them since they left here自从他们离开这里,我们就始终很思念他们；2如 since 引导的状语从句的谓语动词为连续性动词或表示状态动词的过去时时,就从句表示的时间为“从动作或状态终止时算起”；例如：i haven t heard any noise since i slept. sl为ee持p 续性动词, sleep的动作终止时,即 “醒来”时,所以这句应译为 “我醒后仍未听到任何声音

5、”；精品文档沟通精品学习资料精选学习资料 - - - 欢迎下载3如 since 引导的状语从句的谓语为连续性动词的现在完成时,就表示动作和状态连续到现在（说话时刻）,其表示的时间的起点应从动作发生之时算起； 例如：i haven t heard from him since he has lived there； 这里 has lived 表示动作的连续性,时间的起点应从：“开头居 住”时算起；因此此句可懂得为“自从他（开头）住在那儿起,我就一直没收到他的来信 ”；五 since 在特别句型中的应用句型 i：“ it is（ has been）+时间+since+连续性动词的过去时 ”,表示“

6、自从以来到现在已有多久； ”例如：精品学习资料精选学习资料 - - - 欢迎下载it has been quite some time since i was last in london我.上次离开伦精品学习资料精选学习资料 - - - 欢迎下载敦至今颇有一段时间了；句型 ii ：“it was+时间+since+连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；精品文档沟通精品学习资料精选学习资料 - - - 欢迎下载六巩固练习（一）单项挑选1 do you smoke

7、？ it's two years since i smokeda yes,i dobno,i don'tcnot too muchdoh,but i wish i didn't2 since you are busy、 you tomorrow.a. don t need comeb. need not comec. needn t comed. mustn t come3. -has he been home.- 、 he home since he graduated.a. no; hasn't beenb. yes; has beenc. no; isnt

8、d. yes; is 4 they friends since they met in shanghai.a. haven t beenb. have beenc. arentd. are5. i here since he left the door openb、ut it seems that he won t come back today.a. have been waitingb. will have waitedc. was waitingd. waited精品文档沟通精品学习资料精选学习资料 - - - 欢迎下载6. i from him since he has lived h

9、ere.a. heardb. have heardc. have never heard d. have been hearing7. he came to china 1998.a. fromb. sincec. atd. in8. - excuse me. did you notice whether the no.18 bus had gone by.-not _i began to stand here.a. asb. whenc. sinced. while（二）汉译英：1他好久没学英语了；2. 自从我生病以来,他从将来看过我；3. 自从我病愈以来,他从将来看过我；4. 约翰现在和父

10、母一起住在纽约,他不当老师已经三年了；5自从我们探望你母亲以来到现在有多长时间了？精品文档沟通精品学习资料精选学习资料 - - - 欢迎下载参考答案（一）：1 b；“ it is（has been）+时间+since+连续性动词的过去时 ”,表示“已有多久没了”； it's two years since i smoked意思为 “我两年没有抽烟了,故挑选b 项；2.c；不必做某事： needn t do st,h.所以挑选 c 项；3.a ；“ since引导的时间状语从句的谓语为终止性动词的过去时,就从句的时间为 “从动作开头的那一时刻算起”； “he hasn't bee

11、n home since he graduated表示”“自从他毕业以来,他就离开了家”,故挑选 a项；4.b；用法同练习 3；“ they .haveeben friends since they met inshanghai ,”自从他们在上海相识以来,始终为伴侣；故挑选b 项；5.a；i have been waiting here since he left the door open、 but it seemsthat he won t come back t意od思ay为 “自从他关上门以来, 我始终在等他,但他为乎今日回不来了”；故挑选 a 项；6. c；since 引导的时间状

12、语从句的谓语为连续性动词的现在完成时, 就表示动作和状态连续到现在（说话时刻）,其表示的时间的起点应从动作发生之时算起；“i have never heard from him since he has lived精品学习资料精选学习资料 - - - 欢迎下载there意”思为 “自从他（开头）住在那儿起,我从未收到他的来信”；精品学习资料精选学习资料 - - - 欢迎下载故挑选 c 项；精品文档沟通精品学习资料精选学习资料 - - - 欢迎下载7. d；表示时间点用in,句子时态为过去时,故挑选d 项；8. c；用法同练习3； “ not since i began to stand her

13、意e 思为 “自”从我开头站在这里就没有留意到”；故挑选 c 项；（二）1. it s a long time since he stuedniegdlish.2. he has never been to see me since i have been ill.3. he has never been to see me since i was ill.4. john is now with his parents in new york、 it is already three years since he was a teacher .5. how long is it since we visited your mother.参考文献：1longman dictionary of contemporary english、