微课制作(情态动词can的用法)

Exercise
( ) 1.---- ____ you help me with this Maths problem? ---- I ____ not work it out. A. Can; may B. Must; must C. Can; can D. May; may ( ) 2. The boy ____ run very fast. He wants to be a top runner as Liu Xiang in the future. A. can B. can’t C. may D. may not 3. Excuse me, ____ you tell me the way to the nearest park? 4. You ________ go with us to the zoo if you want to. 5. I ____ speak Chinese very well, but I ____ speak French at all.
Modal verbs
can and cannot We use can and cannot (can't) to say we are able or unable to do something.
Байду номын сангаас
用法
① be able to 能，能力 e.g. 我可以唱一首英语歌曲。 I can/am able to sing an English song. ② 过去式：could e.g. 我十年前就能做到那样。 I could do that 10 years ago. ③ 否定式： cannot = can’t ④ 情态动词can +V.原
结构
①肯定→Sb + can + V.原 + 其它. eg: Peter can speak English. ②否定→Sb + cannot/can’t + V.原 + 其它. eg: Peter can’t/cannot speak English. ③一般疑问句→Can + Sb + V.原 + 其它 +? eg: Can Peter speak English? ④特殊疑问句→特殊疑问词+can+Sb+V.原+? eg: What can Peter speak?