9B Unit1 Grammar 课件--牛津译林版英语九年级下册

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 bicycle and ride around the countryside.
• a. It is kind ( of sb. ) to do sth.
1. Today is 22 February. We left Beijing for Shanghai early in the morning. __It__is_2_2__F_e_b_r_u_a_r_y_t_o_d_a_y. We left Beijing for Shanghai early in the morning.
2. 有这么多形状不寻常的岩石真是神奇。 _I_t_i_s_a_m_a_z_i_n_gthat there are so many rocks in unusual shapes. (it表示：_th__a_t _从__句__的__内__容_ )
3. 从我家到学校大约3公里。
I_t_i_s_a_b_o_u__t_3_k__il_o_m__e_tr_e_s_ from my home
5. Winter is very cold and dry in Beijing. In winter, _i_t_is__v_e_r_y_c_o_ld__a_n_d__d_r_y_i_n_B__e_ij_in__g__.
6. We arrived in Shanghai on a sunny day. _I_t_w_a_s__a_s_u_n_n_y__d_a_y___ when we arrived in Shanghai.
Look at the bird. It is so small.
There is a small house over there. It is mine.
We use it for a young child when we do not know whether it is a girl or a boy.
7. We got to our hotel at noon. _I_t_w__a_s_n_o_o_n_______ when we got to our hotel.
8. Our hotel is not far from the Bund. _I_t_i_s_n_o_t_f_a_r______ from the Bund to our hotel.
Yesterday we visited the Summer
Palace and spent about three
hours in it. The palace is a
1._t_h_e__S_u_m__m__e_r__P_a_l_a_c_e__
Chinese garden and mainly
总结3 it 做形式主语
1）It is + adj. +that从句
It is amazing that there are so many rocks in unusual shapes in the cave. It is important that we should learn English well.
总结2 it 做非人称代词
Using it as an impersonal pronoun
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 Year’s Day.
includes a hill and a lake. The
lake is very big— it takes up
2. __th__e_l_a_k_e________
three quarters of the area. It was 3. _t_h_e__la__k_e________
frozen, so we could not row a
to my school,
(it表示：_距__离__ )
4. 租一辆自行车，骑着它环游乡村也很受欢迎。 _It_’_s_a_ls_o__p_o_p_u_l_a_r_t_o_h_i_r_e_ a bike and ride around the
countryside. (it表示：_h_ir_e__a_b_i_k_e_a_n_d__r_id__e_a_r_o_u_n_d__th_e_ _co_u__n_tr_y_s_i_d_e___
boat there. It was really a pity. 4. _w_e__c_o_u_ld__n_o_t_r_o_w__a_b_o_a_t__
Across the lake is a 17-hole bridge. There are many stone lions on either side of it. The lions are all 5. _t_h_e__b_r_i_d_g_e_________ different from each other. Isn’t it 6. _d_i_f_fe_r_e_n__t_l_io_n__s_____ amazing? While I was walking along the bridge, my mobile phone rang. It was my mum. I told her 7._a_n__u_n__k_n_o_w__n__p_e_r_s_o_n__ that the Summer Palace was well worth visiting.
Using it to reБайду номын сангаасlace the real subject or object
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.
Uses of it
用法一 Using it as a pronoun
用法二 Using it as an impersonal pronoun
用法三 Using it to replace the real subject or object
Using it as a pronoun We use it for animals and lifeless things.
Unit1 Asia Grammar
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 i_t_w_a_s_t_u_r_n_e_d_i_n_t_o_a__m_u_s_e_u_m_ in 1925. (it表示： t_h_e_P__a_la_c_e_M__u_s_e_u_m__ )
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. It’s 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.
_I_t _w_a_s_5__a_.m__.__ 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. _I_t_w_a_s__o_n_ly__2_℃____.
2. Shanghai is about 1, 300 kilometres from Beijing. _It_i_s_a_b_o_u__t _1_, _3_0_0_k_i_lo_m__e_t_re_s_ from Beijing to Shang hai.
3. I woke up at 5 a.m. this morning.
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…
3. 指环境。 e.g. It’s 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.
In Beijing, it is cold and windy in winter.
It is two kilometres from my school to my home.
it作非人称代词
1. 指天气。 e.g. It’s raining.
2. 指时间。 e.g. It’s half past eight.
The little baby is drinking milk. It weighs only 8 kilos.
We use it for an unknown person.
--Who was calling you just now? --It was my cousin.
We use it for an action, a situation or an idea mentioned in a previous statement.
1. 指代动物或无生命的东西。 2.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。
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.
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.
Riding around the countryside is popular in Guilin, isn’t it?
Tourists like to take a boat trip along the Lijiang River. It is a great fun.
总结1: it 做人称代词