[中学联盟]江苏省无锡市天一实验学校英语（牛津译林版）八年级下册：Unit 2 grammar (共41张PPT)

Unit 2 Grammar Verbs with for & since Here are many tasks for you in today’s class. Only when I say “start”, you can stand up to answer questions freely. If your answer is right, you will get some points. If not, you won’t lose any point. The winner will get some prizes. Task 1—3 (1 point each) Task 4 ( 3 points) 竞赛规则： 只有我说“开始”, 才可自由起立抢答 答对，得分；答错，不扣分 eg3: I moved to three years ago. eg1: I have worked as a teacher for 4 years. eg2: I have taught English since 4 years ago. eg 3: I have lived in Hutang for 3 years. eg1: I started to teach English in Hutang Experimental Middle School in 2012. eg2: I left Nanjing in 2011. for+一段时间 since+ 过去的时间 过去时的句子 长动作 短动作 arrive/come/go die buy sleep run read start/begin join listen wait write chat keep fnish/stop borrow leave Short actions, such as start, leave and borrow can not be used with for and since in the present perfect tense. If we want to express a continuous state, we can use another way. 在现在完成时中，短动作，如start,