英语语法：瞬间动词和持续性动词的用法5-6.doc

英语语法：瞬间动词和持续性动词的用法5-6续性动词的用法5-6。‍瞬间动词和持续性动词（5）Itis+时间段+since…自从…ItistwodayssinceheleftforAmerica.他去美国两天了。Itissixweekssincetheycamehere.他们来这儿六个星期了。ItisaboutaweeksinceIpostedtheletter.这封信我寄出去大约一星期了。Itisayearsincetheyjoinedthearmy.他们参军一年了。（6）瞬间动词和持续性动词用于till/until持续性动词用在含有till/until的句子结构表示该动作一直持续到某时间终止而瞬间动词的否定结构用在till/until句子中表示某动作不发生的状态到某时间终止可以译为“直到…才…”。比如：I’llstaytillhecomes.我将待到他来。Iwon’tleaveuntillhecomes.我要他来才离开。Theywentonworkingtillsuppertime.他们继续工作到晚餐时间。Theydidn’tstopworkingtillsuppertime.他们一直工作到晚餐时间才停止工作。Theylivedinthecityuntiltheyear2019.他们在这个城市一直居住到2019年。Theydidn’tmovetoanothercityuntiltheyear2019.直到2019年他们才搬到另一个城市。We’llwaituntildaybreaks.我们将等到天亮。Wewon’tsetoutuntildaybreaks.我们直到天亮才出发。Theyslepttillnoon.他们一直睡到中午。Theydidn’tgetupuntilnoon.他们直到中午才起床。英语作业一、用动词的适当形式填空。11.—TheT-shirtisnotthesizeIwant.It’s38.—SorryI___(think)itwas40.12.I’vejustreceivedanemailfromthecomputercentre.They___(look)forstudentstohelpwiththeworkoftheschoolwebsite.13.Ourlife___(change)greatlysincethecomputerwasinvented.14.I’mgoingtogetmydaughterabirthdaypresent.She___(enjoy)readingadventuresbest.15.Ifyou___(be)interestedinouractivitypleasejoinus.Gototheschoolwebsitetohavemoreinformation.参考答案：11.thought12.arelooking13.haschanged14.enjoys15.are二、分析句子的语法结构并译成中文。1.Ourlifehaschangedgreatlysincethecomputerwasinvented.2.Chinesecouplesarelimitedtotwochildrenatpresentafterruleswererelaxedfromtheinfamousone-childpolicythatwasinforcefrom1979to2019.【TheGuardian】