They went to the zoo yesterday.改为否定句.Thanks.

问题描述:

They went to the zoo yesterday.改为否定句.Thanks.

They didn't go to the zoo yesterday.
分析:实义动词作谓语,一般过去时,变否定句要加助动词DIDN‘T,原来的动词要还原,即 went -> go
加油!不明白再问!