人教版八年级英语下册现在完成时课件（共37张PPT）

现在完成时 你为什么有零食吃呢？ 我扫完地了。（所以现在得到了奖励） 一起吃早饭吗？ 我已经吃过早饭了。（所以不用再请我吃了） 概念1：过去发生的动作对现在造成的影响 例如： 1.I have finished my homework 2.She has finished her homework. have+done(过去分词） has+done(过去分词） 三大金刚（标志语） 标志语 already:已经（肯定句-句中） yet：还（否/疑-句末） Not yet:还没有 just ：刚才（句中） 1.???Have you seen the film ( )? 2.? Have you done your homework ( )? -Not ( ), I will do it after supper. 3.??? I have ( ) finished reading the book. 4.?????I have ( ) paid for the car. 练习：用already, yet, just填空 yet yet yet just/already 句式： 1.肯定句：She has already finished her homework. I have already finished my homework. 主语+ have/has+过去分词 +其它 第三人称单数 VERB HAVE GOT AGENT have has haven’t hasn’t GOOD JOB! Our teacher _____ got a new car. He bought it last week. has 1/12 have haven’t hasn’t GOOD JOB! I _____ got some crayons in my pencil case. They are green, red, yellow, and blue. have has 2/12 haven’t have hasn’t GOOD JOB! Have you got my pencil? No, I _____ . haven’t has 3/12 have haven’t hasn’t GOOD JOB! We _____ got some pets at home. The dog is my favourite. have has 4/12 have has haven’t hasn’t GOOD JOB! My aunt _____ got two children. Their names are Peter and Mary. has 5/12 句式： 1.肯定句：She has finished her homework. I have finished my homework. 否定句在_____后面加not。 not not have或has VERB HAVE GOT AGENT hasn’t have haven’t GOOD JOB! Paul _____ got the keys. I’ve got them. hasn’t has 6/12 hasn’t have haven’t GOOD JOB! My grandpa _____ got a cane（手杖）. He doesn’t need it. hasn’t has 7/12 haven’t have hasn’t GOOD JOB! We_____ got any diamond rings. They are too expensive. haven’t has 8/12 haven’t have hasn’t GOOD JOB! They _____ got any radiator(散热器） at home. They live in Jamaica. haven’t has 9/12 have has haven’t hasn’t GOOD JOB! Sarah is a beautiful girl. She _____ got long fair hair and green eyes. has 10/12 have haven’t hasn’t GOOD JOB! They _____ got some beautiful books. They love reading. have has 11/12 hasn’t have haven’t GOOD JOB! She _____ got the money. It’s in the safe. hasn’t has 12/12 EXIT 现在完成时的句型转换 They have closed the rooms . He has finished her homework . Have ? they Has ? she 思考 一般疑问句把_____提至主语前, 回答时，要使用_____. have或has 主语+have或has —Yes, they have. No, they haven’t. —Yes, she has. —No, she hasn’t. 一般疑问句 Have/has＋主语+其他. I have already finished my homework. Have you finished your homework yet? “读书”是发生在过去的动作，而这个动作发生了2次。 I have read this book twice. 现在完成时的用法 概念2. 过去发生的动作到现在为止的次数 常见标志语 标志语 before: 之前（句末） never:从不（句中） so far：到目前为止（句末） 次数：twice：两次 once：一次 （句末） 练习 3 PRACTICE 1.What is his sister like? -I don't know. I_____ her (never/meet) - How is Amy these days? --I _____her before(not/see) 3. - Are you hungry? --Yes I _____much.(not/eat) 4. - ... ...