Unit 5 Educational exchanges Grammar Present Perfect Tense 课件 2022-2023学年沪教牛津版（广州沈阳通用）八年级英语上册

How many units have we learnt this term? (We’ve learnt 5 units.) What have we learnt in Unit 5? (We’ve learnt something about educational exchanges.) I’ve learnt a bit of t’ai chi, and I really enjoy it. We’ve also tried to paint some pictures ourselves. I haven’t had much success yet, but I’ll keep trying. What has Eric learnt in Xinhua Junior High School in Beijing ? A group of British students from Woodpark School in London are visiting Xinhua Junior High School in Beijing on an educational exchange. Unit 5 Educational exchanges Grammar Present Perfect Tense Observe the sentences below. “I’ve made many new friends,” says Sarah. Sarah has made many new friends. They have visited many places of interest. They have had a good time in China. Why should we use the present perfect tense here? We use the present perfect tense to talk about things that happened in the past but have a connection to the present in some way. Grammar A The present perfect tense P71 Basic form: have/ has + done (p.p) 助动词 + 过去分词 表示过去已发生的动作/ 已完成的动作 对现在的影响/结果 have has the simple present tense the present perfect tense 1 2 3 4 5 6 7 8 9 you have allowed he has gone we have been you have sung they have taught I have brought she has sat we have begun you allow he goes we are you sing they teach I bring she sits we begin he opens he has opened Say the words in the present perfect tense. 7 Eric has been in Beijing for a week. Complete his email to his mother with the present perfect tense of the verbs in brackets. have met have played has cooked have studied have seen haven’t visited haven’t done P72 Eric Has done Hasn’t done has already played a lot of football game has already tried delicious Chinese food has already seen many places of interest hasn’t visited the Great Wall yet hasn’t done any shopping yet Grammar B The present perfect tense with already, yet , ever and never 用于肯定句 用于否定句和疑问句 用于疑问句 否定词 P72 B1 Sarah wants to know whet