Unit 2 Grammar 课件 2023-2024学年牛津译林版八年级英语下册

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. 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. 某人去过某地,但现在已经回来了。 它指的是一次经历。(经常和次数使用) Eddie has been to South Hill many times. For example: have/ has been to … 表示“某人去过某地,并已回来” 表示某人过去的经历,但现在已经不在目的地。 常和ever, never, before, once , twice,How many times 等词连用。 1.我以前曾去过北京。 I have ever been to Beijing before. 2.他去过美国两次。 He has been to the USA twice. 3.你曾经去过香港吗? Have you ever been to HongKong ? 4.Sandy 从来没有去过南山。 Sandy has never been to South Hill. Exercises My friend Lucy _Tower Bridge. She will be back next week. has gone to -Where is Kitty? -She _just _Russia. has gone to We use ‘have (has) gone’ to express the idea that someone went to a plac