Unit3 Grammar课件2025-2026学年沪教版英语七年级下册

Unit 3 Trees and us Grammar Lead in What do trees do for us? Lead in What are people doing to trees? They are cutting down trees and polluting the water and the air these days. Tree Planting Day is coming. Look! What are the students doing now? Lead in Li Na is talking to Wang Jie on the phone. They want to call on more students to protect trees. Focus on form He is watching a TV programme about trees now. Li Na and Su Su are working on a group project these days. He is staying with his grandmother this week. The present continuous ② to talk about temporary things (not happening now) Page 41 Focus on form 1. Be quiet! The students are having a class about tree protection right now. 2.What are you doing to save trees at the moment? 3. We are learning about the importance of trees in science class this term. Be quiet! right now at the moment this term. Focus on form Humans are not treating trees in a kind way. People are cutting down trees all over the world. We are polluting water and air, which harms trees greatly. Now many trees are dying. Are we doing enough to save them? It’s time for us to protect trees. Tree Planting Day is coming, so students are having some activities to protect trees. Find V-ing used in the the present continuous tense and try to conclude the rules. Main verb -ing from words in text +ing remove e+ing +ing remove ie+ying double the last letter and add-ing Let's find out the rules and give more examples. see→ pollute→polluting die →dying cut →cutting treat →treating Focus on form Most verb Words end with a silent e Words end with a pronounced e Words end with ie stressed closed syllable "cvc" seeing Focus on form Classification Game Focus on form Humans are not treating trees in a kind way. People are cutting down trees all over the world. We are polluting water and air, which harms trees greatly. Now many trees are dying. Are we doing enough to save them? It’s time for us to protect trees. Tree Planting Day is coming. So what are students having some activities to protect trees? Find the changes of sentence patterns in the text. Negative sentence 主语 + be(is/am/are)+ not V-ing Yes-no question Be(is/am/are)+主语+ V-ing? Wh- question 特殊疑问词+be(is/am/are)+主语+ V-ing？ Focus on meaning Humans are not treating trees in a kind way. People are always cutting down trees all over the world. We are polluting water and air, which harms trees greatly. Now many trees are dying. Are we doing enough to save them? It’s time for us to protect trees. Tree Planting Day is coming. So what are students having some activities to protect trees? Find more usages of the present continuous tense. are not treating to show temporary situation (not right now) are always cutting to show strong feeling to show future plans/coming events is coming are having We do not usually use the verbs in the box below in the present continuous tense. Instead, we use them in the simple present tense. believe hear like prefer love hate smell look taste understand know see realize want ✔ I know my deskmate well. ✘ I am knowing my deskmate well. Special rules 有些动词通常不可用于现在进行时,而用一般现在时 A: What _____ you _____(do) at the moment? B: I ______ (make) a poster about protecting trees. A: What _____ you usually ______ (do)to help protect trees in your free time? B: I usually ____ (plant) trees with my sister in the park. A: Great! ____ you ___(do) something bad to trees these days? B: No, I _____. I ________ (not hurt) trees. I think trees are important. But some people ______ always ______ (pollute) the water and air and it _____(be) bad for trees. A: Okey, thank you for your interview. Production are doing am making do do plant Are doing am not are polluting is Fill in the blanks with correct forms of the given verbs. Here are two pictures and choose one picture and have an interview about it. (pair work:one is a reporter, the other is a student ) Content: What/ Who/Why...? How do you feel? Production A(reporter): Hello, I am the school reporter.What are you doing for Tree Planting Day? B (students) : A:Are you....? B: A: B: A: Great! Thank you for your interview. B: You’re welcome. Production content 内容 voice 音量 speaking 表达 Summary Small actions can make a big difference! 1.Finish exercise in the textbook.(page 42) 2.Make a presentation about trees. Homework Lavf60.16.100 Lavf60.16.100 $