Unit 9 Section A (4a-4c)课件 2022-2023学年人教版八年级英语下册

· · · Unit 9 Have you ever been to a museum? Section A (4a-4c) Have you ever been to a science museum? Yes I’ve been to a science museum. / No, I’ve never been to a science museum. Have you ever visited the space museum? Yes, I have. I went there last year./ No, I haven't. I’ve been to the art museum many times. Me, too. And I’ve also visited the nature museum. I’ve never been to a water park. Me neither. Grammar Focus — _____ you ____ ____to a science museum? —Yes, I ____. I went to the National Science Museum last year. 2. —_____ you ____ ____ to a history museum? — No, I _______. — __________. (我也没去过) 3. ____ these students ___ _____to these place? Fill in the blanks. Have ever been have Have ever been haven’t Me neither Have ever been go Ready? 4.—_____ you ____ to the art museum? —I ___ _____to the art museum many times. 5. —How about the nature museum? I__ _____ there a few times. — ＿＿＿＿ (我也去过). I went there on our last school trip. 6. Let’s go to the space museum. I ___ _____ _____there. Have been ’ve been been ’ve So have I ’ve never been 肯定式 否定式 I/You/We/They have finished the work. He/She/It has finished the work. I/You/We/They have not finished the work. He/She/It has not finished the work. 构成：have(助动词) + p.p has(第三人称单数助动词) + p.p Present Perfect Tense 现在完成时 疑问式 回答 Have I/you finished the work? Has he/she finished the work? Yes, you/I have. No, you/I haven’t. Yes, he/she has. No, he/she hasn’t. have not 常缩略为 haven’t。 has not 常缩略为 hasn’t。 Have you had your lunch yet? Yes, I have. I have just had it. (现在我不饿了) 表示过去发生或已经完成的动作对现在造成的影响或结果。 现在完成时的用法 I have already taught him some English. John has never been to the space museum. My boy has just started junior high school. 现在完成时常与时间副词already, never, ever, just, before, yet等连用。 4a Put the correct forms of the verbs in the blanks. 1. A：Do you want _______(come) to the space museum? B：No, I’ve already _______(b