课件21张PPT。Chapter3 Places of interestLanguage it的用法Have a try!1.The baby is crying. Can you give ____ some milk? he B. she C. it D. one 2.Someone is knocking at the door. Who’s ___? A. he B. she C. it D. one CCIt可以用来指东西、动物、婴儿和未确定 身份的人。3._____ is about fifteen minutes’ walk from my home to my school. That B. This C. It CIt表示时间、天气、距离等 It’s 6 o’clock. It is a fine day, isn’t it? It takes my fifteen minutes to walk from my home to my school.4。___ is necessary for students to take sports an hour per day. 5._____ is impolite of you to argue with your mum. 6.Some girls find _____ difficult to learn math well. A.that B.this C.it CIt可用作形式主语或形式宾语 think/feel/find/guess/imagine + it + adj+ to do sth. CCIt构成的常考句型 1.It’s no good/use spending much time on computer. 2.It’s fun walking and cycling in Guilin. 3.It’s a waste of time and money playing games online. 3.It’s the first time that I have got first prize. 4.It’s ten years since we first met each other. It is nine o’clock. It is summer now. It rained heavily all day. It is only a fifteen-minute walk from my home to my school. It is an empty subject. time season weather distanceIt is often used to refer to time, season, weather or distance.1. What’s the weather like today? 2. What’s time is it now? 3. What day is it today? 4. What season is it? 5. How far is it from your home to the school?A1. Answer these questions quickly using it as the subject.now/for supper/it/ time/is _____ 2. it/is/in Australia/what season/ now _____A2. Put the words in the correct order to make meaningful sentences.It is time for supper now.What season is it in Australia now?3. about five kilometers/it is/to the park _____ 4. windy/was/it/yesterday _____It is about five kilometers to the park.It was windy yesterday.It can also be used as the empty Subject of a sentence to replace a to-infinitive or a gerund.It is also great fun walking and cycling in Guilin. It took a long time to build the wall. It is also possible to go hiking on the Great Wall in some other places.(=Walking and cycling in Guilin is also great fun.)(=To build the wall took a long time.)(=To go hiking on the Great wall in some other places is also possible.)不定式和动名词区别Painting is an art.To let Tom paint is too much for him.B1. Complete the dialogues with the words in the box using it and the to-infinitive. Add other words as necessary.1. DEBBIE: How did you find your trip to Huangshan? SIMON: _____ the mountains for the first time.It is difficult to climb2. DEBBIE: I am not worried about the exam next week. SIMON: Neither am I. _____ it.It is easy to pass3. DEBBIE: _____ English well? SIMON: Yes, of course. It is such a useful language. 4. DEBBIE:Will you work as a waiter in the coming summer? SIMON: Yes. _____ part-time jobs in the summer holidays. Is it important to learnIt is interest to do1. Visiting the museum was a lot of fun. _____ 2. Eating fruit and vegetables is healthy. _____ ... ...
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