Unit 2 Grammar课件2022-2023学年牛津译林版英语八年级下册

Unit 2 Travelling Grammar Learning objectives: 1. Review the 1st period of present perfect tense. 2. Use have/has been and have/has gone. 3. Distinguish (区分) and use verbs. with for and since. He speaks French so fluently. He has learned French. Look! The blackboard is so clean now. He has cleaned the blackboard. Present Perfect Tense: 用法1: 表示过去开始的动作或状态已经结束,但是对现在有影响。 Revision (这句话所表示的结果是黑板现在是干净的。) (这句话所说明的结果是他现在能说法语。) 这种用法常与already, just, yet, ever, never, before(句末)等连用。 I _ (do) my homework already. He _(not finished) his homework yet. _you ever _(be) to Beijing? We _ never _ (see) such an exciting match before. Mother _ just _(clean) the house. Please don’t come in. They _(practice) this dialogue twice. have done has not finished Have been have seen has cleaned have practiced 用法2: 表示从过去某一时间开始到现在一直发生的动作。 I have lived in Suzhou since I was born. I have lived in Suzhou for about 28 years. I have lived in Suzhou since 28 years ago. Key words: since, for … 用法3: 表示从过去到现在去过某地或做过某事的次数。 -Have you ever been to Beijing? -Yes, I have. -How many times have you been there? -I have been to Beijing twice. Learning objectives: 1. Review the 1st period of present perfect tense. 2. Use have/has been and have/has gone. 3. Distinguish (区分) and use verbs. with for and since. Has Hobo been to South Hill before? Yes, he has been to South Hill before. Has Kitty gone to Hong Kong Disneyland? Yes, she has gone to Hong Kong Disneyland. He went to South Hill and has already come back . She went to Hong Kong Disneyland but has not yet returned. John has been to the park. John has gone to the park. has been to vs has gone to Using have/has been 和 have/has gone A We use have/has been to express the idea that someone went to a place and has already come back. It refers to an experience. We use have/has gone to express the idea that someone went to a place but has not yet returned. Summary A1 The Class 1, Grade 8 students are talking about their classmates and families. Help them complete the sen