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

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 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 you help my mother make supper做否定回答. like to help make peoples teeth better.为什么make 不用加s It's easy to make such a mistake.make前为什么要加to I often help my mother to make breakfast Let's make a birthday cake for my mother.(保持原意) __ ___ make Let's make it half past six.为什么half past six前面不加at my mother 横线 横线（make) supper now. 即：my mother （ ）（ ）【make】su Let's make it half past seven中为什么时间前不用at Let's help our mother ( )(make) bread ,Lucy.以所给词适当形式填空 Let's make him a good,hot supper!翻译.