2022年2022年since用法小結(jié)

1、精選學習資料 - - - 歡迎下載since 用法小結(jié)一 since 作為介詞,后接某一確定的時間點,主句謂語動詞為連續(xù)性動詞, 常與現(xiàn)在完成時態(tài). 現(xiàn)在完成進行時態(tài)或過去完成時態(tài)連用；例如：1.he left the village in 1982 and i haven t seen him since then.1982年他離開這個村子,從那以后我再沒見過他；精品學習資料精選學習資料 - - - 歡迎下載2.she s been working in a bank since leaving scho她ol中.學畢業(yè)后精品學習資料精選學習資料 - - - 歡迎下載就始終在一家銀行工作；精

2、品學習資料精選學習資料 - - - 歡迎下載3.he had spoken to her only once since the party自.從那次聚會以精品學習資料精選學習資料 - - - 歡迎下載來,他只跟她說過一次話；二 since 作為副詞,表示從過去以來.以后或到現(xiàn)在的情形或狀態(tài),常與現(xiàn)在完成時態(tài)連用；例如：1he left home two weeks ago and we haven t heard from him since.他兩周前離開了家,到現(xiàn)在我們始終沒有他的消息；2he came to zhenjiang 6 years ago and has lived here

3、 ever since.他 6 年前來到鎮(zhèn)江,從今便住在這里；三 since 引導緣由狀語從句精品文檔溝通精品學習資料精選學習資料 - - - 歡迎下載作為連詞, since 可引導緣由狀語從句,表示由于；既然；鑒于：例如：1he didn t come since he was bu他s因y. 為忙,所以沒有來； 2since this method doesnt work、 let s tarnyother.既然這種方法不行,我們就試用另一種吧； 四 since 引導時間狀語從句1如 since 引導的狀語從句的謂語為終止性動詞的過去時,就從句表示的時間為 “從動作開頭的那一時刻起”；例如

4、：he has studied very hard since he came to our schoo自l.從他來到我們學校,他學習就特別努力；we have been missing them since they left here自從他們離開這里,我們就始終很思念他們；2如 since 引導的狀語從句的謂語動詞為連續(xù)性動詞或表示狀態(tài)動詞的過去時時,就從句表示的時間為“從動作或狀態(tài)終止時算起”；例如：i haven t heard any noise since i slept. sl為ee持p 續(xù)性動詞, sleep的動作終止時,即 “醒來”時,所以這句應譯為 “我醒后仍未聽到任何聲音

5、”；精品文檔溝通精品學習資料精選學習資料 - - - 歡迎下載3如 since 引導的狀語從句的謂語為連續(xù)性動詞的現(xiàn)在完成時,就表示動作和狀態(tài)連續(xù)到現(xiàn)在（說話時刻）,其表示的時間的起點應從動作發(fā)生之時算起； 例如：i haven t heard from him since he has lived there； 這里 has lived 表示動作的連續(xù)性,時間的起點應從：“開頭居 住”時算起；因此此句可懂得為“自從他（開頭）住在那兒起,我就一直沒收到他的來信 ”；五 since 在特別句型中的應用句型 i：“ it is（ has been）+時間+since+連續(xù)性動詞的過去時 ”,表示“

6、自從以來到現(xiàn)在已有多久； ”例如：精品學習資料精選學習資料 - - - 歡迎下載it has been quite some time since i was last in london我.上次離開倫精品學習資料精選學習資料 - - - 歡迎下載敦至今頗有一段時間了；句型 ii ：“it was+時間+since+連續(xù)性動詞的過去完成時”表、示“從到過去某時間點以來 ”,例如：it was three years since we had been here.那時我們在這已呆了三年；精品文檔溝通精品學習資料精選學習資料 - - - 歡迎下載六鞏固練習（一）單項挑選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精品文檔溝通精品學習資料精選學習資料 - - - 歡迎下載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）漢譯英：1他好久沒學英語了；2. 自從我生病以來,他從將來看過我；3. 自從我病愈以來,他從將來看過我；4. 約翰現(xiàn)在和父

10、母一起住在紐約,他不當老師已經(jīng)三年了；5自從我們探望你母親以來到現(xiàn)在有多長時間了？精品文檔溝通精品學習資料精選學習資料 - - - 歡迎下載參考答案（一）：1 b；“ it is（has been）+時間+since+連續(xù)性動詞的過去時 ”,表示“已有多久沒了”； it's two years since i smoked意思為 “我兩年沒有抽煙了,故挑選b 項；2.c；不必做某事： needn t do st,h.所以挑選 c 項；3.a ；“ since引導的時間狀語從句的謂語為終止性動詞的過去時,就從句的時間為 “從動作開頭的那一時刻算起”； “he hasn't bee

11、n home since he graduated表示”“自從他畢業(yè)以來,他就離開了家”,故挑選 a項；4.b；用法同練習 3；“ they .haveeben friends since they met inshanghai ,”自從他們在上海相識以來,始終為伴侶；故挑選b 項；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為 “自從他關上門以來, 我始終在等他,但他為乎今日回不來了”；故挑選 a 項；6. c；since 引導的時間狀

12、語從句的謂語為連續(xù)性動詞的現(xiàn)在完成時, 就表示動作和狀態(tài)連續(xù)到現(xiàn)在（說話時刻）,其表示的時間的起點應從動作發(fā)生之時算起；“i have never heard from him since he has lived精品學習資料精選學習資料 - - - 歡迎下載there意”思為 “自從他（開頭）住在那兒起,我從未收到他的來信”；精品學習資料精選學習資料 - - - 歡迎下載故挑選 c 項；精品文檔溝通精品學習資料精選學習資料 - - - 歡迎下載7. d；表示時間點用in,句子時態(tài)為過去時,故挑選d 項；8. c；用法同練習3； “ not since i began to stand her

13、意e 思為 “自”從我開頭站在這里就沒有留意到”；故挑選 c 項；（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.參考文獻：1longman dictionary of contemporary english、