《英语（一）、（二）》语法要点1．16种动词时态形式（以work为例）：补充：1）（现在）将来时间表达法：a)will/shall+动词原形b)am/is/aregoingto+动词原形c)am/is/areaboutto+动词原形d)am/is/areto+动词原形e)一般现在时f)现在进行时现在完成时的两种用法：a)已完成用法：短暂动词：不可与“for（+一段时间）”或“since（+时间点）”连用：可用结构：Itis/hasbeen+一段时间+since+主语+did短暂动词如:enter,join,open,close,comeback,go,die,finish,stop,begin,end,ect.b)未完成用法：延续性动词；可与“for（+一段时间）”或“since（+时间点）”连用延续性动词如：live,study,work,etc.2．被动语态基本结构：be+过去分词，时态由be体现，例如：1)Theclassroomiscleanedeveryday.2)Theclassroomwascleanedyesterday.3)Theclassroomwasbeencleanednow.4)Theclassroomwillbecleanedtomorrow.5)Theclassroomisbeingcleanednow.6)Theclassroommustbecleanednow.3．12类型的虚拟语气：1）非真实条件句：A．If+主语+haddone…,主语+would（或could,might）havedone…（过去）B．If+主语+did(were)…,主语+would（或could,might）do…（现在）weretodoC．If+主语+did(were)…，主语+would（或could,might）do…（未来）shoulddo例如：Ifyouhadbeenhereyesterday,youwouldhaveseenhim.IfIwereyou,Iwouldn’tdothat.IfItherewerenowaterontheearth,therewouldbenolifeweretorainIfitrainedtomorrow,wewouldcalloffourplan.Shouldrain注意：主语+虚拟语气（1）If主语+shoulddo…主语+陈述语气祈使句Ifitshouldraintomorrow,wewouldcalloffourplan.Ifitshouldraintomorrow,wewillcalloffourplan.Ifsomeoneshouldcometoseeme,tellhimtowaitamoment.（2）含蓄条件句/隐含条件句：without,butfor,butthat,but,otherwiseWithouryourhelp,Iwouldnothavesucceeded.→Ifyouhadn’thelpedme,Iwouldnothavesucceeded.Butforyourhelp,Iwouldnothavesucceeded.→Butthatyouhelpedme,Iwouldnothavesucceeded.Iwouldhavecometoseeyou,butIwastoobusyyesterday.→IwouldhavecometoseeyouifIhadn’tbeenbusyyesterday.Iwastoobusyyesterday;otherwise,Iwouldhavecometoseeyou.→IfIhadn’tbeenbusyyesterday,Iwouldhavecometoseeyou.（3）错综型/混合型：Ifyouhadtakenmyadvice,youwouldnotbeintroblenow.（4）倒装：Ifyouhadbeenhereyesterday,…→Hadyoubeenhereyesterday,…IfIwereyou,…→WereIyou,…Ifitweretoraintomorrow,…→Wereittoraintomorrow,…Haddone（先时性）2）wish+that+主语+did(were)（同时性）would/coulddo（未来）Itiswishedthat…Mywishisthat…Mywishthat…hascometrue.例如：IwishthatIhadn'saidthattohim.Iwishthatlwereasyoungasyou.Iwi