英语选修6unit3语法 it的用法(ppt课件)
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选修六 Unit 3语法 it的用法
Task 4 it在强调句型中 用在强调句型结构中，可以对句子中除谓 语动词以外的成分加以强调: It is / was + 被强调部分 + that (who) + 句 子其他成分 is smoking that has caused this ⑴ It ___________ lung cancer. 是吸烟导致了它的肺癌。 was not until his father came back ⑵ It ____________________________ that he went to bed. 直到他爸爸回来后 ，他才去睡觉。
Task 5 Practice
1. 2. 3. 4. 5. 6. 7. 8. 9. It was that I realized that counts complaining about It is reported hate it when It was the third time it possible depend on it that
我们应该学好英语，这是有必要的。 It is necessary that we should learn English well.
Task 2 it作形式主语 4._______________ It is reported that 22 people were killed in the grassland fire in Sichuan Province. (report) 据报道，四川省草场火灾中22人遇难。
【句型总结】 It occurred to sb that/how/when/where-从句.
Hale Waihona Puke 我突然想到，我把钥匙落在学校了。 It occurred to me that I had left the keys in the school. 我突然想到在哪里见过她。 It occurred to me where I had seen her.
人教版高中英语选修六 unit3 grammar the usage of it 课件
2. _I_t_i_s_p_o_s_si_b_le__(很有可能) that children who
eat too much junk food will suffer from obesity and
diabetes.
3. _It__is__n_o_g__o_o_d_(没好处) eating too much junk
3. It ____is_/_h_a_s_b_e_e_n____+时间段....since … did
It has been 5 years since he came here.
It is 2 years since he had breakfast .
4. It ____b_e________+时间段... before ...
3. Whether you come or not doesn’t interest me.
It doesn’t interest me whether you come or not.
小结：当不定式、动名词、从句等用作句子主语时， 为保持句子平衡，通常把真正的主语放在句末，而 在句首使用形式主语it.
阅读理解
2016年全国卷2 Members go on the site and register the books they own and would like to share. BookCrossing provides an identification number to stick inside the book. Then the person leaves it in a public place, hoping that the book will have an adventure, traveling far and wide with each new reader who finds it. 30. What does the underlined word “it” in Paragraph 2
高中英语 it的用法.unit3 a healthy life课件 新人教版选修6
调状语)
It was in 2001 that I went to university.
(强调状语)
第二十页，编辑于星期五：十一点 三十分。
6.用于特殊句型中
第二十一页，编辑于星期五：十一点 三十分。
6. 用于某些习语 make it 及时赶到;成功;办成
e.g. You can make it if you hurry. 如果 你赶快还可以及时赶到。 You needn’t worry; he will make it.你 不必担忧, 他会办到的。
第十四页，编辑于星期五：十一点 三十分。
Ex. 2 P21
第十五页，编辑于星期五：十一点 三十分。
4. It 做形式宾语
第十六页，编辑于星期五：十一点 三十分。
I found it very interesting to study English. 我发现学英语非常有趣。
He made it clear that he was not interested in
④ It never rains but it pours(泼水). 不鸣那么已, 一鸣惊人。
第二十五页，编辑于星期五：十一点 三十分。
⑤ It is easy to open a shop but hard to keep it always open. 创业容易守业难。
⑥ It takes three generations (代) to
It is against the law to do that. 这样做是违法的。
It gives me great pleasure to see the movie. 观看电影让我很快乐。
第十页，编辑于星期五：十一点 三十分。
It was in 2001 that I went to university.
(强调状语)
第二十页，编辑于星期五：十一点 三十分。
6.用于特殊句型中
第二十一页，编辑于星期五：十一点 三十分。
6. 用于某些习语 make it 及时赶到;成功;办成
e.g. You can make it if you hurry. 如果 你赶快还可以及时赶到。 You needn’t worry; he will make it.你 不必担忧, 他会办到的。
第十四页，编辑于星期五：十一点 三十分。
Ex. 2 P21
第十五页，编辑于星期五：十一点 三十分。
4. It 做形式宾语
第十六页，编辑于星期五：十一点 三十分。
I found it very interesting to study English. 我发现学英语非常有趣。
He made it clear that he was not interested in
④ It never rains but it pours(泼水). 不鸣那么已, 一鸣惊人。
第二十五页，编辑于星期五：十一点 三十分。
⑤ It is easy to open a shop but hard to keep it always open. 创业容易守业难。
⑥ It takes three generations (代) to
It is against the law to do that. 这样做是违法的。
It gives me great pleasure to see the movie. 观看电影让我很快乐。
第十页，编辑于星期五：十一点 三十分。
高中英语Unit3 it的用法Ⅰ课件新人教版选修6
记住，你必须在 11 点以前回家。
02 课后训练
Ⅰ.句型转换(用 it 作形式主语) 1．We all knew that they had broken their promise. →_I_t_w__as__k_n_o_w_n_t_h_a_t _________ they had broken their promise. 2．If you want to give up smoking in a short time, it will be difficult. →__I_t _is_d_i_f_fi_c_u_lt_t_o_g_i_v_e_u_p_______ smoking in a short time. 3．Since you have spilt your milk, crying over it is useless. →__I_t'_s _u_se_l_e_ss_/_n_o_u_s_e___________ crying over spilt milk. 4．He has made up his mind. You needn't try to persuade him. →_I_t_'s_n_o_t_n_e_c_e_s_sa_r_y_________ for you to try to persuade him.
me how to use the computer. 4．The doctor thought ______it________ better for you to have a
holiday than to keep on working.
5．It never occurred to me _____t_h_a_t ______ you could succeed in persuading him to change his mind.
02 课后训练
Ⅰ.句型转换(用 it 作形式主语) 1．We all knew that they had broken their promise. →_I_t_w__as__k_n_o_w_n_t_h_a_t _________ they had broken their promise. 2．If you want to give up smoking in a short time, it will be difficult. →__I_t _is_d_i_f_fi_c_u_lt_t_o_g_i_v_e_u_p_______ smoking in a short time. 3．Since you have spilt your milk, crying over it is useless. →__I_t'_s _u_se_l_e_ss_/_n_o_u_s_e___________ crying over spilt milk. 4．He has made up his mind. You needn't try to persuade him. →_I_t_'s_n_o_t_n_e_c_e_s_sa_r_y_________ for you to try to persuade him.
me how to use the computer. 4．The doctor thought ______it________ better for you to have a
holiday than to keep on working.
5．It never occurred to me _____t_h_a_t ______ you could succeed in persuading him to change his mind.
高二英语选修6it的用法完整.1ppt课件
the street.
时间状语
强调句的连接词一般只用 that ； 强调人时， 可用who (主语) 或 whom (宾语).
强调句的句型一般为“It was/is+强调部分 +that+其余部分”
强调时间,地点,原因状语时,不能使用 when,where,why 来代替that
二 It was yesterday that I met Tom in the street. (改为一般疑问句)
eg: I bought a dictionary three years ago and I am still using___i_t __ now. I bought a dictionary three years ago but I am going to buy a new __o_n_e___soon.
I need the plastic bags, not the paper_o_n__es__ .
3) that/ those一般不带前置定语，但必须有后置定 语。one/ones都可。当替换词的后置定语用所有格 的 of 短 语 或 当 替 换 词 被 所 有 格 修 饰 时 ， 不 用 one/ones而用that of/those of.
一、 It is/was+ 被强调部分是物 + that+剩余的部分 被强调部分是人 + who/whom/ that +剩余的部分
注意 (被强调部分是:主语，宾语，表语或状语)
我昨天在街上看到TOM. I met Tom in the street
yesterday.
① It was I who (that) met Tom in the
选修6 Unit3 A healthy life-Grammar-It的用法[课件]
![选修6 Unit3 A healthy life-Grammar-It的用法[课件]](https://img.taocdn.com/s3/m/de52aae72f60ddccda38a0cd.png)
1.You will find it helpful for you to learn English. 2. I think it necessary for us to do exercise every day. 3. We make it a rule to read English every morning.
3) It wasn't in the park that I met Tom yesterday.
4) When was it that you met Tom in the park? 5) It was not until yesterday that I met Tom in the park . It was five o’clock __w__h_e_n___I got home. It was at five o’clock_t_h__a_t__ I got home.
Task 3. 根据下列例句总结“it”句型”
1.It is important for me to learn English. 2.It was kind of you to help me. 3.It is my duty to protect the environment. 4.It is known that maths is important to other subjects. 5.It is no good(use,need) crying
Self-Evaluation
自主测评
Exercises
Unit3 课时跟踪练习---p115
Summary and Homework
Task :把it句型有效地融合在写作中
今天是星期一，能在此演讲（make a speech) 是我的一大荣幸(honor)。我的主题(subject) 是“高二（ ）班，我爱你”。
3) It wasn't in the park that I met Tom yesterday.
4) When was it that you met Tom in the park? 5) It was not until yesterday that I met Tom in the park . It was five o’clock __w__h_e_n___I got home. It was at five o’clock_t_h__a_t__ I got home.
Task 3. 根据下列例句总结“it”句型”
1.It is important for me to learn English. 2.It was kind of you to help me. 3.It is my duty to protect the environment. 4.It is known that maths is important to other subjects. 5.It is no good(use,need) crying
Self-Evaluation
自主测评
Exercises
Unit3 课时跟踪练习---p115
Summary and Homework
Task :把it句型有效地融合在写作中
今天是星期一，能在此演讲（make a speech) 是我的一大荣幸(honor)。我的主题(subject) 是“高二（ ）班，我爱你”。
高中英语选修六+unit3+it用法练习+课件
• 1. It was this village ___ I was brought up. • A. where B. that C. on which D. which • 2. It was in this village ___ I was bought up. • A. where B. that C. on which D. which • 3. Can it be in the drawer ___ you put your passport? • A. where B. in which C. there D. that
• 4. It was July 1, 1997 ___ saw the return of Hong Kong to the motherland. • A. that B. when C. which D. in which • 5. It is two years __ I joined the army. • A. before B. since C. that D. after • 6. It was two years ___ I joined the army. • A. before B. since C. that D. after
• 7. --- Was it under the tree ___ you were away talking to a friend? • --- Sure. But when I got back there, the bike was gone. • A. that B. where C. which D. while • 8. --- Why don’t we take a little break ? • --- Didn’t we just have ____ ? • A. it B. that C. one this • 9. It waБайду номын сангаас not until 1920 ____ regular radio broadcast began. • A. while B. which C. that D. since
广东省中山市卓雅外国语学校人教版高中英语选修六课件：Unit3AhealthylifeGrammarit用法(共22张PPT)
3. A cake made of wheat costs less than __A______ made of rice.
A. one B. that C. a one D. the one
Translation
1.It is important for you to read English every day.
1.学会如何处理压力是非常重要的。 It's important for us to learn how to deal with stress.
2.她竟然相信这个荒谬的借口，这非常奇怪。 It's strange that she should believe the ridiculous excuse.
_t_h_e_o_n_e____ on the right. 4. The coffee produced in Brazil is more famous
than __t_h_a_t _____in Mexico. 5.The windows of your flat are cleaner than
Exercise I
Fill in the blanks with it, one, the one, that, those. 1.I haven’t a pen, can you lend me _o_n_e__? 2.I like this house with a beautiful garden in front, but I don’t have enough money to buy _i_t ____. 3. The vase on the left is more beautiful than
扩展：高考链接 it、 one 、that的辨析
A. one B. that C. a one D. the one
Translation
1.It is important for you to read English every day.
1.学会如何处理压力是非常重要的。 It's important for us to learn how to deal with stress.
2.她竟然相信这个荒谬的借口，这非常奇怪。 It's strange that she should believe the ridiculous excuse.
_t_h_e_o_n_e____ on the right. 4. The coffee produced in Brazil is more famous
than __t_h_a_t _____in Mexico. 5.The windows of your flat are cleaner than
Exercise I
Fill in the blanks with it, one, the one, that, those. 1.I haven’t a pen, can you lend me _o_n_e__? 2.I like this house with a beautiful garden in front, but I don’t have enough money to buy _i_t ____. 3. The vase on the left is more beautiful than
扩展：高考链接 it、 one 、that的辨析
人教版高中英语选修6 Unit3 Grammar and Writing专题课件
3．动词(短语)＋it＋that/when/if ... 常用在此结构中的动词(短语)有： enjoy, like, love, dislike, appreciate, hate, prefer, ask for, answer for, see to, depend on, insist on等。 See to it that the goods are kept well. 注意这些货物要保存好。 I like it when the weather is fine in autumn. 我喜欢秋高气爽的天气。
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it的用法(Ⅰ)
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一、it用作代词 1．it作非人称代词，常用于指代时间、距离、自然现象、
量度、价值等。 It’s time to get up.(指时间) 到起床的时间了。 It’s going to snow.(指天气) (天)要下雪了。 It is a long way from my school to the hospital.(指距离) 从我的学校到医院(距离)很远。
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假如你是李华，你跟你的朋友Paul聊天，他表示学习压力很大， 请你给他写封信，给他提一些建议。 1．将自己的问题告诉老师和同学，请求得到他们的帮助。 2．不要总想着考试成绩，要多想想自己在哪些方面进步了，这 样就会给自己自信。 3．多做运动，运动可以帮助自己缓解压力，并且有助于睡眠。 4．你对他的祝福。 要求：1.文章必须包括以上所有内容，并根据需要，适当发挥。 2．词数：120左右。
/hoped/suggested/expected, etc. that ...
It is reported that 22 people were killed in the grassland
最新人教新课标高中英语选修6 Unit3精品教课件Grammar the use of it
过多长时间他才回来呢？ 再过很长时间他才回来。 不久，他就回到了北京。
9) It will be long before he comes back.
10) It is five years since he joined the Party.
他加入政党已经五年了。
Discuss the following sentences and tell the function of “ it ”: 1. It’s difficult to remember all their names. 形式主语,代替…… 2. It’s very quiet in the café. Circumstance 3. It rained for three days . Weather 形式宾语,代替……
4.作引导词，在句中作形式主语或形式宾语，代 替后面的短语或从句。 1) Instead of “to do” It is important for us to learn English well. Sub.
I found it necessary to tell him about the matter.
I think it necessary that we will attend the meeting.
5.用于强调句型中 It + be +被强调部分 + that/who(a person)从句 I met Tom in the park yesterday. 1) It was I who met Tom in the park yesterday.
Exercises
4. He made it clear that he didn’t want to speak to me . 5. It was nice to meet you. 形式主语,代替……
9) It will be long before he comes back.
10) It is five years since he joined the Party.
他加入政党已经五年了。
Discuss the following sentences and tell the function of “ it ”: 1. It’s difficult to remember all their names. 形式主语,代替…… 2. It’s very quiet in the café. Circumstance 3. It rained for three days . Weather 形式宾语,代替……
4.作引导词，在句中作形式主语或形式宾语，代 替后面的短语或从句。 1) Instead of “to do” It is important for us to learn English well. Sub.
I found it necessary to tell him about the matter.
I think it necessary that we will attend the meeting.
5.用于强调句型中 It + be +被强调部分 + that/who(a person)从句 I met Tom in the park yesterday. 1) It was I who met Tom in the park yesterday.
Exercises
4. He made it clear that he didn’t want to speak to me . 5. It was nice to meet you. 形式主语,代替……
选修六_Unit_3_Grammar-It_用法
It is suggested that the meeting ( should ) be put off. It was ordered that we ( should ) arrive there in two hours.
It is + n. (a pity, a shame, no wonder ... ) +that ...
It doesn’t matter whether ( if ) ...
该句型中whether (if) 引导的从句是真正主语，该句型常译为 “不论（是否）……没关系……”
It doesn’t matter if they are old.
It worries sb. that…… 某事使某人担心
take it for granted that…
keep it in mind that…
认为…理所当然的
把…记在心里…
We owe it to you that we finished the work on time. I leave it to your own judgment whether you should do it.
It is a pity that he is ill. 他生病了，真遗憾！
It takes sb. some time to do sth.
句型中的不定式是真正的主语，it是形式主语，句型中的直接宾 语是时间，常译为 “做……要花费某人……”
It took thousands of people many years to build the Great Wall.
It’s about an hour’s drive from here to Nanchang.
人教版高中英语选修六课件：unit3 Grammar the use of it(共13张PPT)
Circumstance
2. It’s very quiet in the café.
Weather
形式宾语,代替……
3. It rained for three days .
4. He made it clear that he d形id式n主’t语w,a代n替t t…o …speak to me .
It was at five o’clock__th__a_t __ I got home.
1)He didn’t come because he was ill. It was because he was ill that he didn’t come. 2) She didn’t go to bed until her father came back.
用于强调句型
12作. It引w导as词on，t在his句co中as作t t形ha式t l主ots语o，f h代is 替pe后op面le 的dis从ap句peared. 13. It was most likely that one third of them had lost their lives.
3)FoIrfmoualnOdbijtenctecessary to tell him about the 2) Imnastteteard. of “doing” It is no use quarrelling with him about it.
I think it no good talking to her.
• You have to believe in yourself. That's the secret of success. 人必须相信自己，这是成功的秘诀。
英语选修6 unit3语法 it的用法
It seems that we have made a mistake.
= We seem to have made a mistake.
8. It vt+ 宾语+
that-clause to do sth.
It requires a lot of patience that we teach them English. It requires a lot of patience to teach them English
第三类：It is... that从句.(有4种) 4. It + be + adj. + that从句.
It is very clear that he’s round and tall like a tree.
It is certain that everything will get on well due to our hard work.
第一类：It is ...to do. (有2种)。 第二类：It is... doing. (有1种) 第三类：It is... that从句.(有5种)
it 作形式主语
第一类：It is ...to do. (有2种)。
1. It is/was +形容词+(for/of sb.)+to do sth. 用for 还是of的规则：如果形容词是描述事物的， 如difficult, easy, hard, important, dangerous等用for; 如果描述的是人物的性格、品质，如good, nice, clever等则用of.
It is said that he is a thief.
= He is said to be a thief.
= We seem to have made a mistake.
8. It vt+ 宾语+
that-clause to do sth.
It requires a lot of patience that we teach them English. It requires a lot of patience to teach them English
第三类：It is... that从句.(有4种) 4. It + be + adj. + that从句.
It is very clear that he’s round and tall like a tree.
It is certain that everything will get on well due to our hard work.
第一类：It is ...to do. (有2种)。 第二类：It is... doing. (有1种) 第三类：It is... that从句.(有5种)
it 作形式主语
第一类：It is ...to do. (有2种)。
1. It is/was +形容词+(for/of sb.)+to do sth. 用for 还是of的规则：如果形容词是描述事物的， 如difficult, easy, hard, important, dangerous等用for; 如果描述的是人物的性格、品质，如good, nice, clever等则用of.
It is said that he is a thief.
= He is said to be a thief.
高二英语选修6-it的用法-ppt市公开课一等奖省赛课获奖PPT课件
第9页
（6）It is said/reported/announced/ (well) known … that… （7）It is/was + 时间 + since … 从……已多久了。 It is five months since I arrived in New York.我到 纽约已经五个月了。 It is five months since I was in New York.我离开纽 约已经五个月了。 （注意：终止性动词表示从动作发生时算起；假 如是状态动词或连续性动词，则从动作或状态结 束时算起。）
第1页
1、it基本使用方法 （1）用作人称代词，代替前文提到过事物。 The train has arrived. It arrived half an hour ago. （2）用以代替提醒代词this, that。 —What’s this? —It’s a knife. —Whose watch is that? —It’s mine.
第4页
（8）作形式宾语。 I think it no use arguing with him. I found it very interesting to study English. He made it clear that he was not interested in that subject.
It often rains in summer here.
第3页
（6）指距离。 It is a long way to the school. （7）作形式主语。 It is not easy to finish the work in two days. It is no use crying over spilt milk. It is as pity that you didn’t read the book.
（6）It is said/reported/announced/ (well) known … that… （7）It is/was + 时间 + since … 从……已多久了。 It is five months since I arrived in New York.我到 纽约已经五个月了。 It is five months since I was in New York.我离开纽 约已经五个月了。 （注意：终止性动词表示从动作发生时算起；假 如是状态动词或连续性动词，则从动作或状态结 束时算起。）
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1、it基本使用方法 （1）用作人称代词，代替前文提到过事物。 The train has arrived. It arrived half an hour ago. （2）用以代替提醒代词this, that。 —What’s this? —It’s a knife. —Whose watch is that? —It’s mine.
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（8）作形式宾语。 I think it no use arguing with him. I found it very interesting to study English. He made it clear that he was not interested in that subject.
It often rains in summer here.
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（6）指距离。 It is a long way to the school. （7）作形式主语。 It is not easy to finish the work in two days. It is no use crying over spilt milk. It is as pity that you didn’t read the book.
Unit3 Grammar：it的用法课件人教版选修六
形式宾语特殊用法2
动词 +it + to sb. + that…
owe it to sb. that…把…归功于… leave it to sb that…把…留给某人去做 take it for granted that 把…想当然 keep it in mind that… 把…记在心里
他想当然地以为女朋友会再回来。
p.p.(过去分词) said known + that-clause believed
…
It is kind of you to say so. = You are kind to say so.
It is very clear that he’s round and tall like a tree. = That he’s round and tall like a tree is very clear.
四、it固定用法:
1. It的一些习惯用法
How is it with your study? 学习好吗？ That’s it . 这就对了。 It went hard with him. 他身遇不幸。 It is all over with me. 我完蛋了。 We must fight it out.我们必须坚持到底。 I can’t help it. 我没有办法。
5. It doesn’t matter whether ( if ) ...是否…没关系 It doesn’t matter if they are old. 6. It looks ( seems ) as if ... 好像… It seemed as if he were dying. It looks as if he is ill.（真的病了） It looks as if he were ill. （没有生病）
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careful，careless，silly，foolish，stupid，clever，
wise，crazy.）
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③ it + be + n. + to do sth.
“做某事（真）是个…” 常用n.有：good idea / a pity/ a shame等
It is a good idea to quit smoking before one comes pregnant.
没有这种意义时，则不学用习交流虚课件
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3. it + be + V.ed+ that从句.
“据… / 有人（人们）…”
of his behavior.
（当adj.为strange/surprising /natural/
important/necessary等时，that 从句中即
(should ) + do）
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2. it + be + n. + that从句.
It is no wonder that you are breathless.
It is about 5 kilograms. （指度量） It was very quiet in the café. (指环境) It is half an hour’s walk to the city centre (指距离)
How is it going? (指情形)
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“It”用作“形式主语” （8）
adj.：legal，illegal，polite，impolite， possible, impossible , clear，obvious， evident , certain，suitable，fit，useful， useless，etc.)
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② it + be + adj. + of sb.+ to do sth.
It is very clear that he’s round and tall like a tree.
It is certain that everything will get on well due to our hard work.
It is strange that he shouldn’t feel ashamed
It is a pity/shame not to see that scholar in the flesh.
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二、it + be + n./ adj. + doing sth.
t’s no use/useless doing sth 做某事是无用的
t’s no good/a waste of time/fun/worth doing sth
“it”表示天气、时间、日期、距离、价值、度量、温度、 环境，季节，情况等（称为非人称的it）： It is a bit windy. (指天气) It was nearly midnight when she came back（. 指时间 It‘s May 1, 2017. （指日期） It is 150 yuan. （指价格） It is summer now. (指季节)
ห้องสมุดไป่ตู้
eg . It's no use crying over spilt milk.
It's useless thinking too much.
It's a waste of time playing computer
games.
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三、1. It + be + adj. + that从句.
Grammar
The use of “it”
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it 真实身份大揭底 Ⅰ.用作人称代词 Ⅱ.用作非人称代词 Ⅲ .It 作形式主语 Ⅳ. It 作形式宾语 Ⅴ. It 用在特定句型中
Ⅵ. It 用在固定习语中
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“It”用作“人称代词”
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Ⅰ.用作人称代词
1. It 指代上文中提到的物、事。（简化语言，避免重复） eg. My pen is missing. I can’t find it.
It is a pity /shame that he should get into the habit of abusing alcohol.
（其中，当n.为a pity (a shame /an honor /a
Surprise... 等表示出乎意料时，常译为“竟然”，
则 that 从句中的v.用虚拟语气，即should + do） 。
It's kind of you to help me with the problem.
It’s generous(adj. 慷慨的) of you to donate su a large of money to charity.
（ 此处adj. 通常为描述“人”的形容词：
brave, kind，unkind，nice，rude，considerate，
There is a knock at the door. It must be the
milkman.
3. 代替上文中的指示代词this/that
--Who is that over there?
--It’s Helen.
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“It”用作“非人称代词”
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Ⅱ.用作非人称代词
1. it ：形式主语 2. it ：形式主语 3. it：形式主语
to do ：真正主语（3） doing ：真正主语（1） that从句：真正主语（4）
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一、
① it + be + adj. (+ for sb.）+ to do sth
“（对 sb.来说，）做某事是…的。”
It is important for us to learn English well
Xi’an is a beautiful city, isn’t it? Is this your dog？No, it isn’t.
2. 指代性别不明的人（常指baby）/ 说话人不清
楚性别的人（常在打电话、敲门等时）:
eg. The baby cried because it was hungry.