英语语法-虚拟语气.pptVIP

Hecoughed(咳嗽)twiceasifsomeonewouldcome.

他咳嗽两声就好像有人要来了。3).从句的动作发生在主句动作之后(可以理解成与将来事实相反)总结asif/asthough与现在事实相反:did/were与过去事实相反:haddone与将来事实相反:would/coulddo(了解)should与wish的宾语从句相似3.Itis(high/about)time(that)“是时候…...(做某事)”注意:should不能省略．sbdidsbshoulddo是时候采取措施来保护环境了。Itis(high/about)timethatwetook/shouldtakemeasurestoprotecttheenvironment.你该走了。It’s(high/about)timethatyouwent/shouldgo.4.在表达惊异、惋惜、遗憾、理应如此等意义的固定句式中常使用虚拟语气It’snecessary/strange/natural(自然的,理应如此的)/important…+thatsb(should)do1).Itisimportantthatwe________________(master)aforeignlanguage.2).真奇怪，她竟然拒绝来参加party。It’s_______thatshe_______________tocometotheparty.3).鸟在树上安歇/休息是很自然的。Itis______thatabird_______________intrees.(should)master(should)refusestrangenatural(should)rest5.Ifonly…!要是……就好了Ifonly与现在事实相反:did/were与过去事实相反:haddoneIfonlyitstoppedrainingnow!Ifonlywehadfollowedyouradvice!总结wish,wouldrather,asif/asthough,ifonly表虚拟时的共同点是：时态往后退一步四.情态动词表示虚拟1.本想/打算做某事却没做2.本应该做某事却没做3.本不该做某事却做了4.本能够做某事却没做5.宁愿过去做了某事却没做6.最好过去做了某事却没做7.本不必做某事却做了wouldhavedoneshould/oughttohavedoneshouldn’t/oughtn’ttohavedonecouldhavedonewouldratherhavedonehadbetterhavedoneneedn’thavedonemusthavedonemighthavedonecan’t/couldn’thavedone过去肯定发生了…过去可能发生了…过去不可能发生…1.insist,suggest2.asif/though3.if五.可用可不用虚拟语气的情况insist/suggest各有两种意思，用不同的语气insist:“坚决/持要求”用虚拟语气,即shoulddo;insist:“坚持认为,坚持说”用陈述语气suggest:“建议”用虚拟语气，即shoulddo;suggest:“表明、暗示”用陈述语气1.Theteachersuggestedthatwe______________(practise)moreafterclass.2.Herpalefacesuggeststhatshe_____(be)illtoday.3.Heinsistedthatallofus___________(get)thereontimebyanymeans.4.Heinsisted