Ought To
Ought is a modal auxiliary verb. There is no –s in the third person singular. She ought to understand. (NOT She oughts to …) Ought is different from other auxiliary verbs. It is used with to We ought to respect...
Tagged: ought to
Ought To Have + Past Participle
The structure ought to have + past participle is used to talk about things which were supposed to happen but did not. I ought to have sent the money yesterday, but I forgot. She ought to have been more careful....