11it用法-2024年中考英语专项复习

it用法

it作为人称代词的用法

1.it作为人称代词时，可指代除人以外的动植物和物品，意为“它”，有时也可指代婴儿

或性别不明确的某人。

•Ikeepadog.It'sveryclever.

•BoblefthisEnglishbookathome.Hecalledhismothertosendittoschool.

•Thebabyissleeping.Itmustbequitetired.

•Someoneisknockingthedoor.Whoisit?

2.it可指代this或that

•—What'sthisinEnglish?

™ltzsanorange.

•That'syourbike,isn'tit?

it作为非人称代词的用法

it作为非人称代词可指时间、天气、距离以及上文出现过的内容。it还可以作不定式;、

分词、动名词的形式主语和形式宾语。

1.指时间

•一Whattimeisitnow?

—It's10:30.

•---What'sthedatetoday?

一It'sJunela.

2.指天气

・It'sveryhottoday.

•Itwassunnyyesterday.

•Wedecidetogotothezooifitdoesn'trainontheweekend.

3.指距离

•—Howfarisitfromyourhometoschool?

-It'sabouttenminutes7walk.

•It'slessthanfivekilometersfromthebanktothepostoffice.

4.指上文出现过的内容

•---Whenisyourbirthday?

-It'sonAugust10th.

•EveryoneenjoysMissWang'sclassbecauseit'sreallyinteresting.

•Sarahdidn'tcomebackhomeat11intheevening.Itworriedhermother.

5.作形式主语（代替不定式短语、动名词短语）

•It'snotyourfaulttomisstheflight.

•It'sverykindofyoutohelpwithmymath.

•It'snecessaryforJStodosomeexerciseeveryday.

•IttookmetenhourstoarriveinBeijing.

•It'snousebuyingabookbutnotreadingit.

6.作形式宾语（代替不定式短语、动名词短语）

•Wefinditimpossbletogetthereinthreedays.

•Theyconsideritgoodforchildrentodrinkmilkinthemorning.

•Someparentsthinkitnecessarytodeveloptheirchildren'slearningability.

•Ibelieveitimportantgraspingaforeignlanguage.

强调句

1.结构；Itis/was厂被强调部分ithat/wh。...，该结构用于强调土语、宾语、状语等，但不

能强调谓语动词。

•Iboughtthisbookyesterdaymorning.

->ItwasyesterdaymorningthatIboughtthisbook.

》ItwasthisbookthatIboughtyesterday.

->ItwasIwho/thatboughtthisbookyesterdaymorning.

（注意：当强调部分指人时，用who或that都可以；除此之外都用that）

2.强调句和定语从句的区别

（1）强调句去除“itis/was...that”仍是完整的句子，定语从句则不是。

•Itwasasummerwhenwemet.（定语从句）

Itwasinasummerthatwemet.（强调句）

•Itisthefactorywiereheworks.（定语从句）

Itisinthefactorythatheworks.（强调句）

（2）注意语境，尤其是一问一答时

•一Wheredidyoumeetthefamouswriter?

--ItwasintherestaurantwherewewenttohavedinnerlastTuesday.（定语从句）/

Itwasintherestaurantthatwemetthefamouswriter.（强调右J）

it常用句型

1.It+v.+todosth.

•Ittakesheraweektofinishreadingthisbook.

Itcostmefivehundreddollars.

2.It+be+adj.+todosth.

•It'sgladtoseeyougain.

•ItwasfunnytovisitUncleLi'sfarm.

3.It+be+adj.+forsb.todosth.（用于形容事情）

•Itwasnoteasyforhimtoovercomethedifficulty.

•It'simpossibleformetofinishthetaskwithoutyou.

4.It+be+adj.+ofsb.todosth.（用于形容人）

•It'sniceofyoutohelpmecarrytheheavybox.

•It'shelpfulofhimtodochoreswithhisparents.

5.It+be+n.+todosth.

•It'smypleasuretointroduceyoutomyfriends.

•It'sgreatfuntravellingwithsomanyfriends.

6.Itis/hasbeeni时间段isince…

•It's/hasbeenmerethantenyearssincewemetoneanotherlasttime.

•It's/hasbeentwentyyearssincehegaveupsmoking.

7.It+is+thefirst/secord/thirdtime+that…（现在完成时）

•ItisthefirsttimethatIhaveseenthefilm.

•It'sthesecondtimethatshehasreadTreasureIsland.

It+was+thefirst/second/thirdtime+that...（过去完成时）

•Itwasthethirdtimethathehadbeenthenaturalmuseum.

•Itwasthefourthtimethatmycousinshadvisitedme.

8.Itwas+时间段+before…“过了多久才...”

•Itwastwohoursbeforehereachedmyhome.

（过了2小时他才到我家。）

•Itwasthreeyearsbeforethebookwaspublished.

（过了3年这本书才出版。）

Itwasnot+时间段+before...”没过多久就..”

•Itwasn'tanhourbeforeshefinishedherhomework.

（不到1小时她就完成.了家庭作业。）

•Itwasn'thalfofamonthbeforehereturnedhome.

（不到半个月他就回家了。）

Itwillbe+时间段+before...”要过多久才...”

•Itwillbemanyyearsbeforetheymeeteachotheragain.

（要过很多年他们才能在相见。）

•Itwillbe20hoursbeforemybrotherarrivesinNewYork.

（要过20个小时我哥哥才到达纽约。）

Itwillnotbe+时间段+before...“没过多久就..”

•Itwon'tbelongbeforeIhavearobot.

（不久，我就会拥有一个机器人。）

•Itwon'tbeonemonthbeforeIbecomeacollegestudent.

（不到1个月我就是一名大学生了。）

it,one,that用法比较

1.it表示特指，可以代替可数和不可数名词，直接指代前文提到的同一事物；

•Thisdressisbeautiful.Iwanttobuyit.

・Idon'twanttodrinkthetea.It'stoohot.

•Lookatthiscat.Ifssocute.

•Mycellphoneisonyourtable.Canyoupassittome?

2.one表示泛指，只能指代可数名词，并且是同类不同物：

•Yourcameraisuseful.Kmgoingtobuyone.

•Thesweateristoobig.Couldyougivemeanotherone?

•Davidgotamodelplanefromhisfatherasabirthdaygift.Ialsowantedone.

3.that表示特指，一般田于比较级的句子中，代替前面提到的“同类”事物中的另一个,

可代替可数和不可数名词。

•TheweatherinGuangzhouishotterthanthatinBeijinginsummer.

•ThelengthoftheNileislongerthanthatofYangtzeRiver.

•Thesizeofourschoolislagerthanthatofyours.

练习：

1.Peoplethinkmoreandmoretoprotecttheenvironment.

A.that;impossibleB.it;importantC.this;necessaryD./:interesting

2.Thebabysmiledwhensawmother.

A.he;itsB.it;hisC.it;itsD.she;its

3.isgenerousthelittlegirltosharehertoyswiththeotherkids.

A.lt;ofB.That;ofC.It;forD.That;for

4.Jack,someoneinyourclasscalledyoulastnight.

-Oh,whowas?

A.heB.sheC.itD.that

5.—Thereisstillacopyofthebook“AliceinWonderland“inthelibrary.Willyougoandborrow

?

…No,I'dratherbuyinthebookstore.

A.it;itB.one;oneC.one;itD.it;one

6.-AlatestEnglishnewspaper;please!

-OnlyonecopyIe代.Wouldyouliketohave_,sir?

A.itB.oneC.thisD.that

7.wasonFridaymorningLucyarrivedinShanghai.

A.This;whenB.That;thatC.lt;thatD.It;when

8.-Excuseme.Iwanttobuysomestamps.WherecanIfindapostoffice?

-Iknownotfarfromhere.Youcaneasilyfind.

A.that;itB.it;oneC.one;itD.that;one

9.Somepeoplehavebeenillfromastrongdiseasethesedays.Thedoctorhaveneverheardof

__before.

A.T