11.it用法-中考英语专项复习.docxVIP

it用法

it作为人称代词的用法

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?

it可指代this或that

---What’sthisinEnglish?

---It’sanorange.

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。

指时间

---Whattimeisitnow?

---It’s10:30.

---What’sthedatetoday?

---It’sJune1st.

指天气

It’sveryhottoday.

Itwassunnyyesterday.

Wedecidetogotothezooifitdoesn’trainontheweekend.

指距离

---Howfarisitfromyourhometoschool?

---It’sabouttenminutes’walk.

It’slessthanfivekilometersfromthebanktothepostoffice.

指上文出现过的内容

---Whenisyourbirthday?

---It’sonAugust10th.

EveryoneenjoysMissWang’sclassbecauseit’sreallyinteresting.

Sarahdidn’tcomebackhomeat11intheevening.Itworriedhermother.

作形式主语（代替不定式短语、动名词短语）

It’snotyourfaulttomisstheflight.

It’sverykindofyoutohelpwithmymath.

It’snecessaryforustodosomeexerciseeveryday.

IttookmetenhourstoarriveinBeijing.

It’snousebuyingabookbutnotreadingit.

作形式宾语（代替不定式短语、动名词短语）

Wefinditimpossibletogetthereinthreedays.

Theyconsideritgoodforchildrentodrinkmilkinthemorning.

Someparentsthinkitnecessarytodeveloptheirchildren’slearningability.

Ibelieveitimportantgraspingaforeignlanguage.

强调句

结构：Itis/was+被强调部分+that/who...，该结构用于强调主语、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）

强调句和定语从句的区别

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）

Itisthefactorywhereheworks.（定语从句）

Itisinthefactorythatheworks.（强调句