Module 2 Unit 3 Grammar 课件 2022-2023学年外研版八年级英语下册

Speaking I can’t play computer games now, because I haven’t… I have ever been to the Palace Museum. Palace Museum They have visited Hong Kong Disneyland. Hong Kong Disneyland not eat; roast duck The boy _. hasn’t eaten Beijing roast duck Roast duck He has climbed the Great Wall . the Great Wall Module 2 Experiences Unit 3 Language in use Presentation Grammar 现在完成时 构成 用法 常用状语 have + 动词过去分词 has +动词过去分词 1.表示曾经做过某事 或已经做过某事 2. 表示某人的经历 ever, already, yet 现在完成时 现在完成时(一) 现在完成时的结构: has/have +动词过去分词 肯定句 I have worked. He/She has worked. They have worked. 否定句 I have not worked. He/She has not worked. They have not worked. 疑问句及回答: —Have you worked? —Yes, I have. —No, I have not/haven’t. —Have he/she worked? —Yes, he/she has. —No, he/she has not. —Have they worked? —Yes, they have. —No, they have not. 现在完成时态的句子转换 (1)肯定式:They have just finished their homework. 否定式:They haven’t finished their homework yet. 疑问式:Have they finished their homework yet? 简略答语:Yes, they have. / No, they haven’t. (2)肯定式:She has seen the movie already. 否定式:She hasn’t seen the movie yet. 疑问式:Has she seen the movie yet? 简略答语: Yes, she has. / No, she hasn’t. 大部分动词过去分词 的变化方式是规则的,但是有一部分动词的变化是不规则的,同学们需要记住它们的不规 则变化形式。例如: be — was / were — been find — found — found do — did - done have — had — had eat — ate — eaten make — made — made go — went — gone let — let — let see — saw— seen put — put — put 1.They have been to Mars. 否定句:_ 一般疑问句:_ 肯定回答:_ 否定回答:_ 特殊疑问句的否定式(Why):_ 句型转换。 They haven’t been to Mars. Have they been to Mars? Yes, they have. No, they haven’t. Why haven’t they been to Mars? 2.The spacecraft has reached Mars. 否定句:_ 一般疑问句:_ 肯定回答:_ 否定回答:_ 特殊疑问句(Why):_ _ The spacecraft hasn’t reached Mars. Has the spacecraft reached Mars? Yes, it has. No, it hasn’t. Why has the spacecraft reached Mars? 3.We have started to look at other planets. 否定句:_ _ 一般疑问句:_ _ 肯定回答:_ 否定回答:_ 特殊疑问句(Why) _ _ We haven’t started to look at other planets. Have you started to look at other planets? Yes, we have. No, we haven’t. Why have you