题目内容：

求be的详细用法,非am is are,而是be.
如：You would be much better now if you…中的be.求详

优质解答

1.be动 词 原 形 be=are
You seem happy that you are back from your trip.
2. be+过 去 分 词= 被 动 式
They will be questioned.
3. be+stative verb(adj.)=祈 使 语 气:是、要 、变 成
You would be much better now if you.