当句子中是实义动词作谓语且是一般现在时时,变一般疑问句就是用DO 或DOES ( 主语是三单时用does ) ,其余就不能用DO / DOES,如
He is a student -> Is he a student
Does he study hard
Do they study hard
Are they playing basketball
加油!不明白再问!
当句子中是实义动词作谓语且是一般现在时时,变一般疑问句就是用DO 或DOES ( 主语是三单时用does ) ,其余就不能用DO / DOES,如
He is a student -> Is he a student
Does he study hard
Do they study hard
Are they playing basketball
加油!不明白再问!