译林版英语六年级（下）译林版英语六年级（下）Unit 4 Road safety Grammar time&Fun timeLets reviewWhat must we not do on the road?How can we cross the road safely?Grammar timeHow can you cross the road safely?What must you not do on the road?含义情态动词的特殊疑问句含义情态动词的特殊疑问句构成：特殊疑问词构成：特殊疑问词+情态动词情态动词+主语主语(+(+not)+)+动词原形动词原形+其他其他例句：例句：Where must you go today?What can the baby have for breakfast?情情态态动动词词Look and find动动词词原原形形must 表示表示“必须必须”，mustnt 表示表示“禁止禁止”有很强的劝告语气。有很强的劝告语气。can 表示表示“可以可以”，有能力有权利做某事，有能力有权利做某事，cant表示表示“不能不能”。We canshouldmust.We cantshouldntmustnt.Try to say1.You _ keep quiet in the cinema when you watch a film.2.Here is the red man.We _ cross the road.3._ we play football?Yes,you _.But you _ play it on the road.4.Im thirsty._ I have some cola?No,you _,but you _ have some juice.mustmustntCancanmustntCancantcan选择合适的情态动词填空选择合适的情态动词填空。must mustnt can cantFun timePlay a gameRed man,stop!Green man,go!Right!I must look out for cars.What must you do on the road?I must run quickly on the road.No,you mustnt run quickly on the road!Different rules around Different rules around us.us.The rules in different placesa.In the library b.In the classroom c.On the road d.In the park1.We mustnt walk on the grass.2.We must keep quiet.3.We mustnt play basketball.4.We must study hard.5.We must follow traffic rules.6.We can read books.7.We must look out for cars.8.We mustnt talk loudly.dacbcacdLets chooseWe must follow different rules in different places.Different places,different rules.Summary We must.Lets talkWe mustnt.Practice How can you cross the road safely?What must you not do on the road?1.Can he smoke in the library?No,he _(cant/mustnt).2.Must I sleep now?No,you dont _(mustnt/have to).Its early.3.We _(can/mustnt)play football on the road.4.We _(should/must)have breakfast every day.The breakfast is important.5.What must you do?We _(can/must)keep the law.圈出合适的单词，完成句子。圈出合适的单词，完成句子。按要求完成句子。按要求完成句子。1.I can finish my homework tonight.（改为否定句）（改为否定句）_2.We mustnt play football on the road.（对画线部分提问）（对画线部分提问）_3.He must have an egg every day.（改为否定句）（改为否定句）_ I cant finish my homework tonight.What must you not do on the road?He mustnt have an egg every day.0102抄写抄写Grammar time中的句子，标出中的句子，标出情态动词。情态动词。Look for more rules in public places.在公共场所找到更多规则。在公共场所找到更多规则。Homework