Miss green can answer the question 改一般和回答

Can Miss green answer the question ? Yes,she can No,she cann't
Was there a lot of water in the lake? Yes,there was No,there wasn’t
Is Tommy playing chess with his friend ？Yes,he is No,he isn't
DO we do our homework every day ？Yes,we do No,we don't
Did his a brother write a letter last night? Yes,he did No,he didn't
当句子中有情态动词时，直接把情态动词提前就行 比如第一道
当句子中有be动词时直接把be动词提前就行 例如第二和第三
除了以上之外就用助动词 时态由动词时态决定 例如最后两道题