为什么回答电话CAN IA SPEAK TO MARY?是SPEAKING,要加ING?SPEAK不就行了吗?

为什么回答电话CAN IA SPEAK TO MARY?是SPEAKING,要加ING?SPEAK不就行了吗? May I speak to Amy?回答 电话用语 英语 Can she speak Chinese做否定回答 Can your mother speak English回答Yes, 为什么英语电话用语要用May I speak to~ What language do you speak?回答I speak .还是I can speak. can i speak to linda回答可以回答Yes,it Can you speak it in English为什么用speak can you speak chinese中为什么用speak 为什么Mrs li can speak English中的speak后不加s he can't speak english .为什么speak不加s She can speak Englist speak为什么不能加S 电话用语May I speak to Mary?怎么回答(两种回答都有) Can you dance?的回答是yes ,I can.可是为什么Can you speak English?回答是yes ,we can.为什么这两个回答不同 第一个 用 I 后面那个怎么用 We/ Can she speak English?（做否定回答） can she speak English?（作否定回答） can you speak english or chinese 怎么回答 Can Jack and his brother speak Chinese.做否定回答