（2021新牛津译林版）高中英语必修三Unit1 Grammar 省略用法 ppt课件.pptx

1、Unit 1 Nature in the balance Grammar and usage Ellipsis 1. No, I didnt (watch the documentary about environmental protection on TV yesterday). 2. You can watch it online if you want to ( ). 3. I felt worried when ( ) watching the documentary. 4. Some call for the application of modern technology, an

2、d others ( ) a change of lifestyle. 5. ( ) Got any idea? 6. ( ) Sounds great! watch it I was call for Have you It/That P6 Part A l We sometimes use ellipisis to avoid (1) (stressing/repeating) one or more words when the meaning is clear. l We can use ellipsis: in short responses; in infinitives; aft

3、er some conjunctions like if, when and while; in clauses with the same pattern and the same verb; at the beginning of a sentence in (2) (informal/formal) speech. repeating informal 在并列句结构中，常省略与前面相同的主语、谓语或其他成分。 Peter entered the classroom and (Peter) sat at his desk. I like dancing but my brother (li

4、kes) singing. What I said made Jack happy but (what I said made) Jane angry. 不定式作宾语或宾语补足语时，常省略to后面的内容。 You dont have to do it if you dont want to (do it). Youd better not take medicine unless your doctor told you to (take medicine). 不定式后接be动词或动词的完成式，省略句中保留be或have。 I am busier now than I used to be (

5、busy). Has Mike finished his project? He seems to have (finished his project). when、where、if、than、as、once、while引导的状语 从句后，如果从句为主句相同的主语+be动词或it is 常省略 You should be careful when (you are) crossing the road. Please dont go to the party unless (you are) invited. I love English more than (I) ever (loved

6、English). You need to make improvements where (it is) necessary. Please call me back if (it is) possible. 1. Misunderstandings resulting from lack of social communication, if not (handle) properly, may lead to serious problems. 2. Id like to invite you to the coming party, which will take place on t

7、he second floor of the dining hall as (expect) 3. Students are not supposed to come in until (ask) to. handled expected asked 4. Is he coming back tonight? I think . 5. When (walk) alone in the middle of the night, I sensed someone was following me. 6. You may have finished your homework. If (如果这样),

8、 you can go on to play football. 7. You should let us know the result .(如有可能) 8. There are few people, (如果有的话), who remember him. if possible if any so walking so 1. I cannot watch the documentary this weekend, though I would like to. 2. Cows live on land, and fish in the water. 3. The Amazon rainfo

9、rest is smaller now than 50 years ago. 4. He had planned to borrow a book on environmental protection, but he didnt. 5. When taking photos of wildlife, we should make every effort to ensure that we keep away from the animals. P7 B1 P6 I highly recommend it. some of the worst environmental problems w

10、ere facing global warming green gases lead to extreme weather events: droughts, heatwave, solutions to these problems interviews with the worlds leading experts on environmental issues come up with creative ideas on call for the application of modern technology make a brochure Last weekend, I took p

11、art in a forest clean-up activity. It was organized by GreenHope, At first I didnt want to (take part in the forest clean-up activity), but then I thought, Our team leader, Joe, took us to a forest outside the city. I was sad to see litter everywhere. There was a “(is allowed here)” sign at the entr

12、ance to the forest, but that didnt stop people from throwing their rubbish on the ground. Joe one group cleaned up the north side of the forest, and the other (group) (cleaned up) P7 B2 the south side (of the forest). We worked for several hours and (we) were happy to see (that) the forest looked cl

13、eaner than (it had looked) before Therell be another clean-up activity in the green belt next Saturday. You can find Joe and sign up if (youre) willing to help. Everyone who takes part in the activity will receive a medal. Ill join you too if I have time. think of an idea, answer etc Weve been asked

14、 to come up with some new ideas. Is that the best excuse you can come up with? come up with 1. appeal for sth 呼吁呼吁 Some experts call for the application of modern technology. Human Rights groups are calling for the release of political prisoners. call for 2. require, demand or need sth 需要需要 The situation calls for immediate action. -Ive been promoted. -This calls for a celebration! call for P7 a forest clean-up activity an organization devoted to protecting forests What if nobody goes? No littering. divide us into two groups It was absolutely worth our effort.