新概念青少年版Unit5.3A.ppt

How long is your day?,Have you finished your homework yet? Why havent you finished your homework?,have/has + V. 过去分词 havent/hasnt +V.过去分词 动词原形-过去式-过去分词 finish finished-finished 完成 特殊疑问词Why： 为什么,How often do you hear these questions in your house? How do you feel about homework?,How often 多久一次，特殊疑问词 these questions 这些问题 How 如何，特殊疑问词 feel about 感觉，看待,Children worldwide now do more homework hours than they did twenty-five years ago but there are huge variations.,worldwide 世界范围内的 now do Twenty-five years ago did There be 句型： 某处存在某物 huge variations 巨大的差别;变化,than 前后两个概念相比较,In some parts of the world, even very young children have a lot of home work.,part: 部分 part-parts world: 世界 even: 即使仍然，虽然但是（不能与but 连用） Very young 很小的 a lot of = many/much 许多 many 修饰可数名词； much 修饰不可数名词,They come home from school and they work for three or four hours before bedtime,come home 回家 Work for three or hour hours 工作三到四个小时 Before 在之前,In other parts of the world, children dont have much homework until they are a bit older.,other 其它的 notuntil 直到才 a bit 一些，一点 old older - oldest,At the same time, many young people worldwide have extra classes after school.,At the same time 与此同时 Have 实义动词： 有 extra space ? p.10 extra classes 额外的课程 after 在之后 before ?,One way or another, many children work twelve or fourteen hours a day. Is this really necessary?,twelve or fourteen hours a day 一天十二或十四个小时 five hours a week ? three days a month ? necessary 必要的,How much homework do you have? How much time do you really spend on it? How long is your day?,How much 多少，对不可数名词提问 How long 多久；多长，对时间或距离提问 spend on 花费在上面,现在完成时VS 一般现在时,Robert has painted the door. (陈述句) Has Robert painted the door yet? (一般疑问句) What has Robert done? (特殊疑问句) Lucy is correcting her composition. (陈述句) Is Lucy correcting her composition? (一般疑问句) What is Lucy doing now? (特殊疑问句),do did- done,_ you _your homework _? Why _ you _ your homework? _ _ do you hear these questions in your house? _ do you _ about homework?,feel,often,How,havent,yet,finished,Have,finished,How,Children _ now do _homework hours _they _twenty-five years ago but there are _ _.,than,did,huge,variations,more,worldwide,In some _ of the world, _very young children have _ _ _homework. They _ home _ school and they work _three or four hours before _.,bedtime,for,from,come,parts,of,lot,even,a,In _ parts of the world, children dont have _ homework _ they are a bit _.,much,older,until,other,_the _ time, many young people _have _ classes after school. _ _ _ _, many children _ twelve or fourteen hours a day. Is this really _? _ _ homework do you have? _ _t