Question

All I have to do is learn English,看了有些答案说是All I have to do i

Answer 1

all 是主句的主语；is 是主句的谓语；learn English 是省 to 不定式,在定语中作表语.I 是定语从句的主语；have to do 是定语从句的谓语；关系代词 that 作定从的宾语,但被省略了.主句：All is to learn English.从句...