Unit+3+Using+language+Grammar 高中英语外研版（2019）必修第二册

TheInfinitiveGrammar不定式DiscoveringthegrammarForm&Meaningtodo基本用法？DiscoveringthegrammarOh,itistimeformetogonow,becauseIwanttoattendthelecturetobeheldintheGreatHall.What’sthedifferencebetween“toattend”and“tobeheld”?Discoveringthegrammar时态(Tense)主动式(Activevoice)被动式（Passivevoice）一般式(simple)(not)todo(not)tobedoneDiscoveringthegrammar1.Hetoldmethathewassorrytohavedisappointedyou.2.Theyweresaidtohavebeencaughtbythepolice.What’sthedifferencebetween“tohavedisappointed”and“tohavebeencaught”?Discoveringthegrammar时态(Tense)主动式(Activevoice)被动式（Passivevoice）完成式(perfective)(not)tohavedone(not)tohavebeendoneDiscoveringthegrammarHepretendedtobestudyinghard.时态(Tense)主动式(Activevoice)被动式（Passivevoice）进行式(progressive)

/tobedoingSummary时态(Tense)主动式(Activevoice)被动式（Passivevoice）一般式(simple)进行式(progressive)

/完成式(perfective)(not)todo(not)tobedone(not)tohavedone(not)tohavebeendonetobedoingUnderstandingthegrammarSummaryoftherulesSummary1.

(1)Itis+(apity/apleasure/anhonor…)(2)Ittakessb.sometime/money(3)Itis+(careless/honest/selfish…)ofsb.(4)Itis+(easy/difficult/hard/possible…)+forsb.todosth.1.为了避免头重脚轻，可以用it作形式主语,不定式todo做真正的主语。句型如下：Summary2.常跟todo的动词有：agreetodo,happentodo(碰巧),wouldliketodo(想要),wanttodo,belikelytodo(可能),beenoughtodo,refusetodo,choosetodo,decidetodo,promisetodo，allowsb.todo,invitesb.todo,warnsb.todo,requiresb.todo,considersb.todo,encourage,sb.todopersuadesb.todo,advisesb.todo

Summary3.序数词,形容词最高级,theonly,thelast修饰名词或代词时,常用不定式做表语和定语；抽象名词后常根不定式：e.g.Shehadtheabilitytoexplainthingsclearlyandvividly.

*那么问题来了：有哪些常见抽象名词？idea,chance,hope,fact,wish,excuse,promise,attempt,way...

ApplyingthegrammarPracticeinsentenceStep4Applyingthegrammar(1)要完成这个报告会花费我四到六周的时间。(2015·广东)(2)能告诉你关于当地生活的一些相关信息是我的荣幸。(2014·天津)(3)我从你的海报上得知你想提高中文。(2015·四川)ApplyingthegrammarIttakesfourtosixweekstofinishthereport.Itisagreathonorformetotellyousomeinformationrelatedtothelocallife.IlearnedfromyourpostthatyouwanttoimproveyourChinese.(4)我们应该充分利用时间来学习。(2015·广东)(5)为了使我们的生活更轻松，我设计了一双有魔力的鞋。(2014·湖南)(6)我想邀请你在下周六和我们一起去附近的敬老院。(2015·全国Ⅱ)ApplyingthegrammarI’dliketoinviteyoutojoinusforavisittothenearbynursinghomenextSaturday.Tomakeourlifeeasier,Ihavedesignedapairofmagicshoes.Weshouldmakefulluseoftimetostudy.(7)我擅长交际，乐于助人。(2013·天津)(8)亲爱的来宾，欢迎你们来参加我们的活动。(2