2017-2018学年牛津译林版八年级英语下册课件：Unit 1 Past and Present Grammar (共28张PPT)

Unit 1 Past and present Grammar What do you know about Mr Chen and Sunshine Town? Mr Chen has lived in Sunshine Town since he was born. Mr Chen has moved to a new neighbourhood. He and his wife have lived in this area since 1965. The town has changed a lot over the years. The government has turned part of the town centre into a new park. … Free talk 现在完成时 Structure of the present perfect tense have/has + done sb + Using the Present Perfect Tense I have lived here since I was born. (This is the present perfect tense. In this example, you can see when I was born, l lived here and I still live here when the words were said.) I lived here two years ago. (This is the simple past tense. In this example, I lived here two years ago. Something has changed in the past two years and I don’t live here now.) 1. We use the present perfect tense to talk about an action that started in the past and continues to the present. Eddie has just eate