七年级英语Unit 5 Grammar I课件牛津版.pptVIP

7B Unit 5  Grammar 1 Do you know these sports? 注意 当委婉表达 “请求” “要求”时，用could。 而回答时，肯定用can.否定语气一般要婉转，有时可说明不能的原因。如： --Could you send this letter for me? --Yes, I can./sorry, I’m busy now. * I could not row a boat at five. Now I can . row a boat ride a bike ...could not ... now ...can... play badminton ...could not ... now ...can... swim/ have a swim ...could not ... now ...can... fly a kite/ kites ...could not ... now ...can... Using “can”/ “could” to talk about ability we use “can” to say that we are able to do something now. we use “could” to say that we were able to do something in the past. e.g. I can (cannot /can’t /can not ) swim. What about you? He could (couldn’t /could not) dance in the past. What about you ? What can they do ?/ What could they not do? Sandy Simon Millie DanielPeter Amy last year × × × × × this year √ √ √ √ √ Last year,Sandy _________.Now she _______. .... Simon... Sandy Simon Millie DanielPeter Amy last year × × × × × this year √ √ √ √ √ Ask and answer the questions Can Sandy row a boat now? Yes, she canCould Sandy row a boat last year?  No, she couldnt. 2 can could possiblity When we want to express something is possible, we use can/could can/could ---- present (the possibility: cancould) 2 can could ------- possibility Exercises: Fill in them withcould/could not can/ can not. 1 It is snowing in Canada. We ______go skiing there.2 The swomming pooi does not open today. We ________ go swimming. 3 We ___________ fly kites yesterrday because it rained. 4 We _______ play badminton last friday because we had our badminton rackets. 5 We ________ play football beause Simon forget to bring a football. can can not could not could can not Take turns to ask and answer questions using “can” or “could”.Try to make dialogues in pairs. 1.____ you speak Japanese ? 2._______ you play the piano last year? 3