九全 unit 13 语法习题.pptVIP

* Unit 13 We’re trying to save the earth! Section B 1a. What can we do to help save the earth? Rank these items from the easiest(1) to the most difficult(5). ___ stop riding in cars ___ recycle books and paper ___ turn off the lights when you leave a room ___ turn off the shower while you are washing your hair ___ don’t use paper napkins 5 1 4 2 3 Presentation A: Recycling paper is really easy. 1b. PAIRWORK Compare your answers in 1a with your partners. B: I agree. But it’s hard to stop riding in cars. 1c. Listen and check( )the things that Julia and Jack talk about. 1d.Listen again. Check ( ) the things that Julia is doing now, the things she will do in the future and the things she would never do. Things Julia and Jack talk about Things Julia is doing now Things Julia will do in the future Things Julia would never do ____ turning off the lights ___ turning off the shower ____not using paper napkins ___ taking your own bags when shopping ___ not riding in cars ___ riding a bike ___ recycling paper Grammar Focus We’re trying to save the earth. Present progressive The river used to be so clean. Used to The air is badly polluted. Passive voice No scientific studies have shown that shark fins are good for health. Present perfect We should help save the sharks. Modal verbs Joe: __________ you ever __________ (take) part in an environmental project? Ken: Yes, I have. I _____ (help) with a Clean- Up Day last year. It was ______________ (consider) the biggest clean-up project this city ______ ever ______(have). Joe: How many people __________ (take) part? Have taken help considered to be had had have taken 4a Fill in the blanks with the correct forms of the verbs in brackets. Ken: I __________ (think) more than 1000 people _________ (come) to help out. Joe: That’s fantastic! I guess everyone in this city is ___________ (try) to improve the environment. Ken: Yes,