should student be allowed to use facebook in their free time 改为主动句,怎么改?
问题描述：
should student be allowed to use facebook in their free time 改为主动句,怎么改?
答
Should we allow students to use facebook in their free time ?
这是主动句。
答
allowing students to use facebook in their free time is sure。
答
Should parents allow students to use facebook in their free time?
Students should allow to use facebook in their free time.
答
should allow student using facebook in their free time
allow sb doing sth
答
这些句子影藏了潜在主语,我觉得改为
should we allow student to use facebook in their free time?