can you help my mother make supper做否定回答.

can you help my mother make supper做否定回答. 句子：‘let's help my mother make supper'中make 前为什么不加to ,什么情况下俩个 Can you help me carry the big box?做否定回答 can you make a uniform for me? 做肯定和否定回答 Can you help you mom 的否定回答 Let’s help my mother make supper.此句是不是祈使句?写出祈使句的肯定句的句子结构. can your mother teach you english?作否定回答 My mother can help you next week.改为一般疑问句 where are my mother Can you help me Can I help you?（作否定回答） Can you make ice ceeams?作否定回答是什么 Can you see a computer in my room?做否定回答