人教版九年级英语10-12单元核心知识点讲解（PPT16张）

英语备课组云南师大附中呈贡校区九年级英语10-12单元核心知识点讲解人教版1.Pastperfecttense（过去完成时）1.表示过去某一时间或动作以前已经发生或完成了的动作。动作发生的时间是“过去的过去”。2.构成：had+done3.过去完成时常与when,before,bythetime等引导的时间状语连用。WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BeforeIgottothebusstop,thebushadalreadyleft.小试牛刀Myparents________toworkbythetimeI________up.

A.began;get

B.began;hadgotC.hadbegun;got

D.hadbegun;hadgot

shoulddosth.（主观看法）=besupposedtodosth.（期望）=beexpectedtodosth.（预料）

=oughttodosth.（客观要求，强调道义、法律所规定的职责）Teachers____________allthestudentsalike.A.isexpectedtotreatB.shouldtotreatC.aresupposedtotreat小试牛刀1.当主语是人时，表示“应该，被期望”2.当主语是物时，表示“本应；本该（某事本应发生而实际没发生）”2.应该做某事

ontime准时intime及时killtime消磨时间allthetime始终，一直atthesametime同时haveagoodtime过的愉快fromtimetotime有时3.关于time的用法1.时间（不可数）2.次数/倍数；时光（可数）=attimes=sometimes

sometime一段时间sometime某个时候sometimes偶尔，有时sometimes几次Jimcomestovisitusfromtimetotime.That'salwaysthehappiesttimeforthefamily.A.sometimeB.sometimeC.sometimesD.sometimes小试牛刀4.it作形式主语和形式宾语的用法

it作形式主语①it是形式主语，真正主语为动词不定式句型含义用法

It's+adj.+forsb.+todosth.

It's+adj.+ofsb.+todosth.做某事对某人来说是…形容词描述事物的特征

某人做某事真是太…形容词描述人物的性格、品质Itiseasyformetolearnmath.

Itisverykindofyoutohelpme.

②it是形式主语，真正主语为that从句Itissaidthat...据说...

Itisbelievedthat...据相信...Itisreportedthat...据报道...Itissuggestedthat...据建议...Itissupposedthat…据猜测...

Itisknownthat...众所周知...

结构：动词+it+宾语补足语+不定式（动名词或从句）

it作形式宾语常见这几个动词后加it形式宾语：think/find/feel/consider/make+it+adj./n.+todoeg.Ifinditpleasanttoworkwithhim.小试牛刀_____isimpossibleforyoutogetthereinsuchashorttime. A.This B.It C.ThatD.There2.Itiscareless_____you_____lotsofmistakes. A.of;making B.for;making C.of;tomake D.for;tomake5.辨析except,exceptfor,besides与but

辨析用法例句exceptexceptforbesides

but

除外（不包括，减法）同类不能放在句首WeallwentexceptTom.

除外（不包括，减法）不同类可用于句首Itwasdarkinthecityexceptforafewweaklights.除了…还有（包括,加法）可用于句首BesidesEnglish,IalsolearnFrenchandJapanese.Noonebutmepassedtheexamyesterday.除外(不包括,减法)常与none,noone,nothing,who,what,all,everyone等词连用

beside=nextto“在…旁边”1.____hiswife,hisdaughteralsowenttoseehim.A.ButB.ExceptC.Besides2.Yourwritingisgood_____afewgrammarmistakes.

A.exceptforB.besidesC.but3.Hegetsupearlyeveryday_____Sunday.

A.besidesB.exceptforC.except小试牛刀①make“做；制作；制造”

区别make和do:do做已经存在的事情

(dohomework)

make创造出之前没有的

(makeacake)②make“使；让”make+sb.+adj.

makesb.dosth.

主动语态(省略to)

bemadetodosth.

被动语态(还原to)

6.make的用法1.Thegirlwasm