it

1. PRON-SING You use it to refer to an object, animal, or other thing that has already been mentioned. 它 (指上文提及的某一物體、動(dòng)物或其他事物)

It's a wonderful city, really. I'll show it to you if you want. 這確實(shí)是個(gè)很棒的城市。如果你愿意的話，我?guī)憧匆幌隆?/p>

My wife has become crippled by arthritis. She is embarrassed to ask the doctor about it. 我妻子因患關(guān)節(jié)炎腿瘸了。她不好意思去向醫(yī)生詢問相關(guān)病情。

2. PRON-SING You use it to refer to a child or baby whose sex you do not know or whose sex is not relevant to what you are saying. 它 (指小孩或嬰兒)

She could compel him to support the child after it was born. 她可以迫使他在孩子出生后撫養(yǎng)孩子。

3. PRON-SING You use it to refer in a general way to a situation that you have just described. 它 (指剛剛說過的情況)

He was through with sports, not because he had to be but because he wanted it that way. 他放棄體育運(yùn)動(dòng)了，不是因?yàn)樗欠艞壊豢桑且驗(yàn)樗胍菢印?/p>

4. PRON-SING You use it before certain nouns, adjectives, and verbs to introduce your feelings or point of view about a situation. 用于某些名詞、形容詞或動(dòng)詞前表達(dá)對(duì)某種情況的看法或觀點(diǎn)

It was nice to see Steve again. 很高興又見到了史蒂夫。

It's a pity you never got married, Sarah. 薩拉，很遺憾你從來沒有結(jié)過婚。

5. PRON-SING You use it in passive clauses that report a situation or event. 用于被動(dòng)句表示對(duì)某一情況或事件的報(bào)道

It has been said that stress causes cancer. 據(jù)說壓力會(huì)誘發(fā)癌癥。

6. PRON-SING You use it with some verbs that need a subject or object, although there is no noun that "it" refers to. 用作某些動(dòng)詞的形式主語或賓語

Of course, as it turned out, three-fourths of the people in the group were psychiatrists. 當(dāng)然，結(jié)果證明這些人中3/4是精神病醫(yī)生。

7. PRON-SING You use it as the subject of "be" to say what the time, day, or date is. 用作動(dòng)詞(be)的主語，指時(shí)間、日期等

It's three o'clock in the morning. 現(xiàn)在是凌晨3點(diǎn)。

It was a Monday, so she was at home. 那是個(gè)星期一，所以她在家。

8. PRON-SING You use it as the subject of a linking verb to describe the weather, the light, or the temperature. 用作系動(dòng)詞的主語，指天氣、光、溫度等

It was very wet and windy the day I drove over the hill to Del Norte. 我開車越過小山去德爾諾特的那天下大雨又刮大風(fēng)。

9. PRON-SING You use it when you are telling someone who you are, or asking them who they are, especially at the beginning of a phone call. You also use it in statements and questions about the identity of other people. 通電話時(shí)用作開首語，報(bào)出身份或名字

"Who is it?" he called.—"It's your neighbour."

“誰呀？”他喊道。—“你的鄰居?！?/p>

10. PRON When you are emphasizing or drawing attention to something, you can put that thing immediately after it and a form of the verb "be." 與(be)動(dòng)詞配合起強(qiáng)調(diào)作用，引起對(duì)某事物的注意[強(qiáng)調(diào)]

It's really the poor countries that don't have an economic base that have the worst environmental records. 確實(shí)是那些沒有經(jīng)濟(jì)基礎(chǔ)的貧窮國家的環(huán)保記錄最糟糕。

11. PHRASE You use it in expressions such as it's not that or it's not just that when you are giving a reason for something and are suggesting that there are several other reasons. 用于(it's not that)、(it's not just that)等表達(dá)法中，表示提出一個(gè)理由并同時(shí)暗示還有其它一些理由

It's not that I didn't want to be with my family. 并不是因?yàn)槲也辉敢夂臀业募胰嗽谝黄稹?/p>

12. if it wasn't for→see be

13. the INTERNET DOMAIN NAME for Italy 意大利