Please do what you can to heip the deaf.这句话中的what you can是插入语吗?问什么can后用了to help?

Please do what you can to heip the deaf.这句话中的what you can是插入语吗?问什么can后用了to help?
Please do what you can to heip the deaf.这句话中的what you can是插入语吗?问什么can后用了to help?

Please do what you can to heip the deaf.这句话中的what you can是插入语吗?问什么can后用了to help?
what you can是作为do的宾语,宾语从句
to help表达目的,是目的状语
请尽你所能帮助聋哑人

Please do what you can to heip the deaf.这句话中的what you can不是插入语。what you can 为do的宾语，to heip the deaf为宾语补足语，起补充说明的作用。