it-is...before-after-since結(jié)構(gòu)

1、高中英語語法總結(jié)：it is 時(shí)間 since （before， when） it is 時(shí)間 since （before， when） 請注意以下三個(gè)句式的區(qū)別和意思上的差異（其中的 is 根據(jù)情況可以有其他時(shí)態(tài)形式）： It is 時(shí)間段 since 的意思是“自從以來有一段時(shí)間了”。 It is 時(shí)間點(diǎn) when 的意思是“當(dāng)?shù)臅r(shí)候時(shí)間是”。 It is 時(shí)間段 before 的意思是“在之前有一段時(shí)間”。 請看以下用例： Its ten years since they got married 他們結(jié)婚到現(xiàn)在已經(jīng)十年

2、了。 推薦精選It was past one oclock when he came in 他回來時(shí)已經(jīng)一點(diǎn)多了。 It wont be long before they understand each other 過不了多久他們就會(huì)互相了解的。 有時(shí)翻譯可以比較靈活： Its a long time since I met you last 好久不見了。（直譯：自上次見到你以來有很長一段時(shí)間了。） Its about three years since I last played basketball 我差不多有三年沒有打籃球了。（直譯：自從

3、我上次打籃球以來已差不多有三年了。） 請看有關(guān)高考題（答案為DDBCDC）： 1 That was really a splendid evening Its years _ I enjoyed myself so much （安徽卷） A whenB that C beforeD sinc 推薦精選2 It was some time _we realized the truth （山東卷） A whenB untilC sinceD before 3 Did Jack come back early last night?

4、0;Yes It was not yet eight oclock _he arrived home （福建卷） A before B whenC thatD until 4 Scientists say it may be five or six years _it is possible to test this medicine on human patients （福建卷）推薦精選 A since B after C beforeD when 5 It was evening we reached the little town of Winch

5、ester （天津卷） A thatB until C sinceD before 6 It _ long before we _ the result of the experiment （上海春） A will not be； will knowB is； will know C will not be； knowD is； know 【全真模擬訓(xùn)練】推薦精選 1 It was about midnight _ we found the lost child， crying under a tree A that B u

6、ntil C when D where 2 It's some time _ I have spoken to you about this matter A that B unlessC sinceD until 3 It was ten _ he stood at aunts door and rang the bell A when B untilC sinceD that 4 I think it wont be long _ they understand each other A when B untilC sin

7、ceD before 5 How pleased I am tonight！ Its years _ we had so great a time together A when B that C beforeD since 6 It was some time _ we realized how important the matter is A when B untilC sinceD before推薦精選 7 Did you come home very late last night? No It was just half past seven _ I appeared before my parents A thatB whenC until D since 8 How time files！ It seems like years _ I last saw you A when B that C sinceD before 9 Its more than half a century _ the People