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1、,Unit1 Asia Grammar,Uses of it,翻译下列句子，说出it 在句中表示的意思。 1. 明朝和清朝的皇帝曾住在故宫，但它在1925年的时候被变成了博物馆。 The emperors of the Ming and Qing dynasties used to live in the Palace Museum. But _ in 1925. (it表示：_ ),Revision,it was turned into a museum,the Palace Museum,2. 有这么多形状不寻常的岩石真是神奇。 _ that there are so many rocks
2、 in unusual shapes. (it表示：_ ) 3. 从我家到学校大约3公里。 _ from my home to my school, (it表示：_ ),It is amazing,that 从句的内容,It is about 3 kilometres,距离,4. 租一辆自行车，骑着它环游乡村也很受欢迎。 _ a bike and ride around the countryside. (it表示：_ _,Its also popular to hire,hire a bike and ride around the countryside,Uses of it,Look a
3、t the bird. It is so small.,We use it for animals and lifeless things.,Using it as a pronoun,There is a small house over there. It is mine.,The little baby is drinking milk. It weighs only 3 kilos.,We use it for a young child when we do not know whether it is a girl or a boy.,-Who was calling you ju
4、st now? -It was my cousin.,We use it for an unknown person.,We use it for an action, a situation or an idea mentioned in a previous statement.,Riding around the countryside is popular in Guilin, isnt it?,Tourists like to take a boat trip along the Lijiang River. It is a great fun.,1. 指代动物或无生命的东西。,2.
5、指代看不出性别的婴儿和小孩。,3.指代不知道的人。（尤指打电话和敲门的状态下）,4. 指代前文出现的动作、状况和主意。,总结1: it 做人称代词,The exchange students visited the Summer Palace yesterday. Kevin is writing about it. Read the passage below and find out what each it refers to. Write your answers in the blanks.,Yesterday we visited the Summer Palace and spe
6、nt about three hours in it. The palace is a Chinese garden and mainly includes a hill and a lake. The lake is very big it takes up three quarters of the area. It was frozen, so we could not row a boat there. It was really a pity.,1._,2. _,3. _,4. _,the Summer Palace,the lake,the lake,we could not ro
7、w a boat,Across the lake is a 17-hole bridge. There are many stone lions on either side of it. The lions are all different from each other. Isnt it amazing? While I was walking along the bridge, my mobile phone rang. It was my mum. I told her that the Summer Palace was well worth visiting.,5. _,6. _
8、,7._,the bridge,different lions,an unknown person,有时并不指具体的东西，可指天气、气候、地点、温度、时间、距离、日期等。,It is 6:30 p.m. It is raining heavily outside. It is 1 January today. It is New Years Day. In Beijing, it is cold and windy in winter. It is two kilometres from my school to my home.,总结2 it 做非人称代词,Using it as an im
9、personal pronoun,it作非人称代词 1. 指天气。 e.g. Its raining. 2. 指时间。 e.g. Its half past eight. 3. 指环境。 e.g. Its quiet here. 4. 指距离。 e.g. How far is it from your home to your office?,The exchange students left for Shanghai. Kevin has made some notes in his diary. Rewrite his sentences with it.,Leaving for Sha
10、nghai,1. Today is 22 February. We left Beijing for Shanghai early in the morning. _. We left Beijing for Shanghai early in the morning. 2. Shanghai is about 1, 300 kilometres from Beijing. _ from Beijing to Shang hai.,It is 22 February today,It is about 1, 300 kilometres,3. I woke up at 5 a.m. this
11、morning. _ when I woke up this morning. 4. I felt a little cold when we went out. The temperature was only 2. I felt a little cold when we went out. _. 5. Winter is very cold and dry in Beijing. In winter, _.,It was 5 a.m.,It was only 2,it is very cold and dry in Beijing,6. We arrived in Shanghai on
12、 a sunny day. _ when we arrived in Shanghai. 7. We got to our hotel at noon. _ when we got to our hotel. 8. Our hotel is not far from the Bund. _ from the Bund to our hotel.,It was noon,It is not far,It was a sunny day,Using it to replace the real subject or object,Sometimes we use it to replace the
13、 real subject or object in a sentence. In this situation, we put the real subject or object later in the sentence in the form of a to-infinitive or a clause.,e.g. It is very tiring to climb the steps. It is popular to hire a bicycle and ride around the countryside. It is amazing that there are so ma
14、ny rocks in unusual shapes in the cave. Many people find it pleasant to travel around.,Useful structures with it It is + adjective + (of/ for) + to It takes some time to It is said/ reported/ that think(s)/ find(s) it easy/ difficult/ to,it作形式主语或形式宾语 有时为了保持句子的平衡，常用it作形式主语或形式宾语，而把真正的主语或宾语放到句子的后面。 1.
15、形式主语。 e.g. Its his duty to look after the sick boy. 2. 形式宾语。 e.g. I find it quite easy to get on with Tom.,It is amazing that there are so many rocks in unusual shapes in the cave.,It is important that we should learn English well.,1）It is + adj. +that从句,总结3 it 做形式主语,2）It is + adj. +to do sth.,It is very tiring to climb the steps. It is popular to hire a
