江苏省徐州市睢宁县新世纪中学九年级英语下册 Unit 3 Asia Grammar教案 牛津版.doc

asiagrammarteaching aims:1. to grasp different uses of it.2. to distinguish different uses of it.teaching steps:step 1 revision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 it was turned into a museum in 1925. (it表示：the palace museum)2). 有这么多形状不寻常的岩石真是神奇。 it is amazing that there are so many rocks in unusual shapes. (it表示：that 从句的内容)3). 租一辆自行车，骑着它环游乡村也很受欢迎。its also popular to hire a bike and ride around the countryside. (it表示： hire a bike and ride around the countryside)4). 从我家到学校大约3公里。it is about 3 kilometres from my home to my school, (it表示：距离)step 2 presentationuses of it用法一：usingitasapronoun用法二：usingitasanimpersonalpronoun用法三：usingitastoreplacetherealsubjectorobjectstep 3 using it as a pronoun1. we use it for animals and lifeless things.e.g. look at the panda. it is so small.another famous attraction is the great wall. it runs for over 6,000 kilometers across the northern china. we use it for a young child when we do not know whether it is a girl or a boy.e.g. my aunt will have a baby soon. she hopes it will be a girl.look at that cute baby over there! it is a boy, isnt it?we use it for an unknown person.e.g. who was calling you on the phone just now? it was my cousin.we use it for an action, a situation or an idea mentioned in a previous statement.e.g. reading around the countryside is popular in guilin, isnt it?tourists like to take a boat trip along the lijiang river. it is great fun.2. it作人称代词1) 指代刚提到的事物。 e.g. look at that car. it is going much too fast.2) 指无生命的东西。 e.g. it is my pencil.3) 指动物。 e.g. is it your dog? no, it isnt.4) 指未知性别的婴儿。 e.g. what a beautiful baby! is it a boy?5) 指所未见的或所未知的那个人。 e.g. someone is ringing the doorbell. go and see who it is.3. 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 spent 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. 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.keys: 1. the summer palace 2. the lake 3. the lake 4.we could not row a boat 5. the bridge 6. different lions 7. an unknown personstep 4 using it as an impersonal pronoun1. we also use it for the time, the date, the weather, the distance, etc.e.g. 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 kilometers from my school to my home.2. 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?3. the exchange students left for shanghai. kevin has made some notes in his diary. rewrite his sentences with it.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 kilometers from beijing._ from beijing to shang hai.3. i woke up at 5 a.m. this 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, _.6. we arrived in shanghai on 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.keys: 1. it is 22 february today 2. it is about 1,300 kilometers3. it was 5 4. it was only 2 5. it is very cold and dry in beijing 6. it was a sunny day 7. it was noon 8. it is not farstep 5 using it to replace the real subject or object1. sometimes we use it to replace the 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 many rocks in unusual shapes in the cave.many people find it pleasant to travel around.2. useful structures with itit is + adjective + (of/ for) + toit takes some time toit is said/ reported/ thatthink(s)/ find(s) it easy/ difficult/ to3. 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) 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.4. miss thompson, a british teacher traveling with the exchange students, is writing down what she thinks about shanghai. help her complete her notes with it.traffic: the traffic is often busy, but public transport here is quite good, _ (easy) for people to get around. weather: _ (sunny) and warm. we like _ here.environment: _ (said) that the air is not clean here, but i do not think the pollution is as serious as i imagined.signs: shanghai is beautiful. _ (fun) to ride around the city and visit the interesting places. food: chinese food is delicious. i will ask my family to go to a chinese restaurant and try _ when i get back. hotel: we all think _ (comfortable) to stay in this hotel. they provide a high level of service.people: the local people are friendly. _ (kind) of them to answer all our questions.keys: 1. its easy 2. its sunny 3. it 4. its said 5. its fun 6. it 7. it comfortable 8. its kindstep 6 language points1. the lake is very big it takes up three quarters of the area. 湖很大，占了四分之三的面积。 take up 占据（空间）；占用（时间） e.g. the table takes up too much space. 这张桌子太占地方了。 quarter n. 四分之一2. across the lake is a 17-hole bridge. there are many stone lions on either side of it. 湖上有一座十七孔桥，桥两边有很多石狮子。 倒装句。表示方位的词或短语置句首时，句子要完全倒装。 e.g. on the wall are pictures. 注意：主语为代词时不倒装。 e.g. out he rushed. either det. & pron. 两者之一either or 不是就是