沪教版初中英语九年级下册Unit 4知识点梳理

沪教版初中英语九年级下册Unit4知识点梳理必考短语和句型短语.naturaldisaster自然灾害.thinkof想起想到.beinterestedin...对感兴趣.beworriedabout担心.dreamabout梦见梦到.suchas例如.passby通过；经过.stickwith持续，坚持

9.worryabout担心lO.thinkabout考虑ll.stareat盯着看凝视

12.insurprise惊讶地

13.fornow暂时

14.so...that...如止匕以至于.waitfor等候.packup收拾行李.forexample例如.writedown写下.survivalkit救生包intheend最后.from...to...例如.howfar多远.payattentionto注意，留心.falldown倒塌.atonce立亥（J.as...aspossible尽可能地.wakeup醒来incaseof假如stayawayfrom...远离itaround无所事事地消磨时间；闲坐.fallondeafears不被理睬，不被注意短语用法starttodosth.开始做某事.havetodosth.必须/不得不做某事.trytodosth.试图/尽力做某事tis/wasadj.todosth做某事是的.affordtodosth.负担得起做某事.havenotimetodosth.没有时间做某事tseemsthat+从句似乎.wanttodosth.想要做某事.stopdoingsth.停止做某事

10.asksb.todosth.让某人做某事ll.beabletodosth.能够做某事

12.suggestdoingsth.建议做某事13」ttakessb.sometimetodosth.某人花费多少时间做某事

14.make+宾语+形容词使某人/某物……

15.findsb.+doingsth.发现某人正在做某事letsb.dosth.让某人做某事.adj./adv.enoughtodosth足够可以做某事.hadbetterdosth.最好做某事.helpsb.todosth.帮助某人做某事.expectsb.todosth.期待某人做某事.keepdoingsth.一直做某事【经典句型】LItsimportanttostickwithit.坚持工作很重要havenotimetothinkabouttheflood.我没有时间考虑洪水Ittookalongtimetobuildthehouse.建这座房子花了很长时间Itseemsthatnobodyispayinganyattentiontotheflood.似乎没有人关注那场洪水Itisnotagoodideatositaroundandworryabouttheflood.闲坐着担心洪水不是一个好主意必考语法it作形式主语的用法代词it可以用来代替一个名词、一个短语、一个句子，在句中作主语或宾语本单元学习it作形式主语的几种情况Lit作主语指时间、日期、天气、距离和气温等Itsnineoclocknow.（指时间）Itismuchcolderthanitwasyesterday.（指天气）Itisabout5kilometresfromheretomyhome.（指距离）Itisveryhotintheclassroom.（指气温）ItisSundaytoday.（指日期）It作形式主语代替动词不定式，常用于以下句型中itis/wasadj.（of/for）sb.todosth.当表语是与事物的特征有关的形容词时，如easydifficulthardimportantnecessary等，用介词for.ItisdifficultforLucytolearnphysics.Itisinterestingforustoplaybadminton.当表语是描述人的性格、品质的形容词时如kindnicepolitecleverfoolishstupid等，用介词of.Itiskindofyoutohelpme.Itiscleverofthelittlechildtoworkoutsuchadifficultmathproblem.ittakes/tooksb.sometimetodosth.Ittakeshimanhourtodohishomeworkeveryday.itis/wasn.todosth.Itisgreatfuntohaveapartyhere.Itwasagreatpleasuretoworkwithyou.t作形式主语还常用于句型“itseems/appearsthat+从句”，表示“似乎/好像/看来……”Itseemsthatheknowseverything.Itappearsthatwearewrong.。