it的用法及句型总结

It 的用法一、Tell the functions for “it" in each sentence:1、——-What’s the weather together？ ---It is fine。2。 It is hard to communicate with him。3. I find it hard to communicate with him.4. It is Li that who cleaned the classroom.5. It is a book.二、It 用法归纳1，指代 it（1)。用作人称代词:指代物、整个句子（2）用作非人称代词2，形式 it：(1）作形式主语（2）作形式宾语3，强调 it4，特别句型5.在答语中指代 this/that:1).——— Whose book is that? -—-It’s mine。三、特别注意: it, one 和 that 作替代词的用法及区别 1。 it 代替前面提到的同一事物,该事物既可以是可数名词也可以是不可数名词。 (特指，指代单数，指代物，同名同物)Can I borrow your pen?—Sorry， I’m using it。2。 one 代替前面提到的同类事物中的一个。该事物只能是可数名词，前面可以有冠词，也可以被 this、that 或形容词修饰，其后也可以有定语。 (泛指，指代可数名词，指代人或物，同名异物）I have a bike。 Do you have one?Eg： (1)。I bought a dictionary three years ago and I am still using______ now.(2） I bought a dictionary three years ago but I am going to buy a new _______soon.（3). that 代替前面提到的同类事物中特指的一个。该事物既可以是可数名词也可以是不可数名词，必须要有后置定语，但不可以有前置修饰语. （特指，指代单数或不可数,指代物，后面有定语）The coffee produced in Brazil is more famous than __________in Mexico.代词特指/泛指人/物名词特例it特指物单数可数名词同名同物;指代整个句子that特指物单数可数名词/不 可 数 名词后面有定语;指代上文one泛指人、物单数可数名词同名异物四：形式主语、宾语、强调句及其他1、形式主语 ItIt is important to give the money back to him on time. 不定式It is no use arguing with such a person。动名词It is said that he was the No。1 in the competition.主语从句it 作句子的形式主语, 后面被指代的主语包括：不定式动名词主语从句It 替代作主语的动名词 It‘s no good/use doing… It's （well)worth doing… 例 It's no use crying over spilt m...