1、Unit 1 Nature in the balance Grammar and usage Ellipsis No smoking. Parking. No photos. No fishing. Step 1 Lead-in Elliptical sentences Step 2 Introduction of ellipsis Find the words that can be left out. I have done more than what is required. You open the window and the door for me, please. Will y
2、ou go to the cinema with me? Well, Id like to go with you. I know you can do better than I can do. You shouldnt come to this party unless you were invited. The man whom I saw is called David. Ellipsis means leaving out words of a sentence when the meaning can still be understood. Ellipsis is used wh
3、en you do not want to repeat the words and phrases that are obvious. What is ellipsis? Step 3 Exploring the rules Write down the words that have been left out in the conversation on page 6. 1. No, I didnt (watch the documentary about environmental protection on TV yesterday). 2. You can watch it onl
4、ine if you want to ( ). 3. I felt worried when ( ) watching the documentary. 4. Some call for the application of modern technology, and others ( ) a change of lifestyle. 5. ( ) Got any ideas? 6. ( ) Sounds great! I was watch it call for Have you It/That 1. No, I didnt (watch the documentary about en
5、vironmental protection on TV yesterday). 2. You can watch it online if you want to (watch it). 3. I felt worried when (I was) watching the documentary. In short responses In infinitives After some conjunctions like if, when and while 4. Some call for the application of modern technology, and others
6、(call for) a change of lifestyle. 5. (Have you) Got any ideas? 6. (It/That) Sounds great! In clauses with the same pattern and the same verb At the beginning of a sentence in informal speech At the beginning of a sentence in informal speech repeating informal More examples Have you ever attended a t
7、alk about environmental protection? Never. (= I have never attended a talk about environmental protection.) In short responses You may go with them if you want to. (= You may go with them if you want to go with them.) Will you be able to come? Id love to. (= Id love to come.) In infinitives Though v
8、ery young, he is very good at painting. (= Though he is very young, he is very good at painting.) You should be careful when crossing the street. (= You should be careful when you cross the street.) After some conjunctions like if, when and while He got up earlier than I today. (= He got up earlier
9、than I got up today.) Has he gone or not? (= Has he gone or has he not gone?) In clauses with the same pattern and the same verb Ready? (= Are you ready?) At the beginning of a sentence in informal speech Step 4 Practice Find the mistakes and rewrite the sentences using ellipsis. 1. I cannot watch t
10、he documentary this weekend, though I would like. We cannot leave out to in infinitives when using ellipsis. I cannot watch the documentary this weekend, though I would like to. Individual work 2. Cows live on land, and fish the water. Different prepositions are used and they cant be left out. Cows
11、live on land, and fish in the water. 3. The Amazon rainforest is smaller now than was 50 years ago. When using ellipsis in clauses with the same pattern, the subject and the verb should be left out altogether. The Amazon rainforest is smaller now than 50 years ago. 4. He had planned to borrow a book
12、 on environmental protection, but he didnt do. When using ellipsis in compound sentences, the part behind the auxiliary verb should be left out altogether. He had planned to borrow a book on environmental protection, but he didnt. 5. When taking photos of wildlife, every effort should be made to ens
13、ure that we keep away from the animals. When using ellipsis in adverbial clauses, we need to make sure that the subject of the main clause is the same as the subject of the subordinate clause. When taking photos of wildlife, we should make every effort to ensure that we keep away from the animals. J
14、ack is sharing with his classmates his experience of taking part in a forest clean-up activity. Use ellipsis where necessary. Put brackets around the word(s) that can be left out. Group work At first I didnt want to (take part in the forest clean-up activity), but then I thought, “What if nobody goe
15、s?” There was a “No littering (is allowed here)” sign at the entrance to the forest, but that didnt stop people from throwing their rubbish on the ground. In infinitives In informal sentences Joe divided us into two groups: one group cleaned up the north side of the forest, and the other (group) (cl
16、eaned up) the south side (of the forest). We worked for several hours and (we) were happy to see (that) the forest looked cleaner than (it had looked) before. You can find Joe and sign up if (youre) willing to help. In clauses with the same pattern and the same verb In compound sentences with the sa
17、me subject; that in object clauses; in clauses with the same subject and the same verb After some conjunctions like if, when and while Step 5 Mini-writing Describe the pictures below using ellipsis to call for the protection of the environment. You can also draw a picture and think of a slogan. Pair work When the water is too dirty to drink and the air (is) too polluted to breathe, will you be able to look at your children and say, “What a beautiful world (it is)!”? When building cities, think of Mother Nature. Drive less, and we will have a greener world. Homework