ought

ought to=should
句子：
Maybe you ought to take his advice.
也许你该接受他的劝告的.
You ought to look through binoculars.
你最好用望远镜观察.
With her help,he ought to have no problem.
有了她的帮助,他应当不会有什么问题
疑问句,ought提前,或者直接用should
oughtn't to是否定式
问题补充的回答：
Yes,she ought.