下列2个句子变被动，初中英语问题

be made to
did , be done

1. Our parents should be made to keep healthy.

2. When was your homework done?

be made to
was done
不论是疑问句也好还是有情态动词的句子也好,都需将原句的宾语改作主语,换上合适的助动词,加上合适的be done结构.