时态的特殊句式

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1、时态的特殊句式1.was/wereabouttodo“正要做某事正在这时突然另一件事发生了”was/weredoing}+when主语+did…haddone“刚做完某事正在这时突然另一件事发生了”eg:Iwasabouttogooutwhenthetelephonerang.=Iwasatthepointofgoingoutwhenthetelephonerang.2.This/That/Itisthe…timethat主语have/hasdone…This/That/Itisthe…timethat主语have/hasdone…

2、Eg:Itwasthethirdtimethathehadcometothismountainvillagetoseethechildren.3.Hardly/Scarcely/rarelyhad主语done…when主语+did…Nosooner主语done…than主语+did…“刚做某事，另一件事发生了”Eg:Ihadhardlygothomewhentherainpoureddown.=HardlyhadIgothomewhentherainpoureddown.4.Itis/hasbeen段时间since主语+did/现在

3、完成时Itwas/hadbeen段时间since主语+过去完成时“自从某事发生已有多久”Eg:Itis/hasbeen3yearssincehelivedthere.(延续性动词表从动作结束时算起)Itis/hasbeen3yearssincehejoinedtheparty.5.Itwillbe段时间before主语+do(es)…“过了多久才做sth”Itwas段时间before主语+did…Itwon’tbe段时间before主语+do(es)…Itwasn’t段时间before主语+did…“没过了多久就做sth”6.byt

4、hetime从句用一般现在时，主句用将来完成时;bythetime从句用一般过去时，主句用过去完成时。Eg:Bythetimethisletterreaches,youwillhaveleftthecountry.7.since从句用一般过去时，主句用现在完成(进行)时。Eg:Shehasbeenlivingahardlifesinceshebecameaddictedtodrugs.Ihaven'theardfromhimsincelastyear.Sheleftschoolthreeyearsagoandhasworkedasa

5、nurseeversince.