Children had English Corner twice a week under the apple tree 改为否定句
问题描述：
Children had English Corner twice a week under the apple tree 改为否定句
had not 可不可以
答
Children didn't have English Corner twice a week under the apple tree .
(改否定句先找情态动词be动词、助动词,在其后加not.再找行为动词,根据时态确定助动词,再加not)
很简单的拉——————
（选偶）