help的形容词是？

help的形容词是helpful、helpless 有用的;有益的;

help

v.帮助;协助;援助;改善状况;促进;促使;搀扶;带领；

n.帮助;协助;援助;有助益的东西(如忠告、钱等);有用

It is often helpful for teachers to shadow managers in industry.

教师跟随业界的管理人员实地学习，常常会很有收获。

I called the police but they weren\'t very helpful.

我叫了警察，但他们不太肯帮忙。

You\'ll find it helpful to talk things over with a friend.

把情况和朋友详细聊一聊，你会觉得大有帮助。

The people I spoke to were very helpful.

我交谈过的人都很肯帮忙。