形容词
名词
1. 极重要的;必要的;紧急的
If it is imperative that something is done, that thing is extremely important and must be done.
2. 必要的事;紧急的事;必须履行的责任
An imperative is something that is extremely important and must be done.
3. 祈使语气
In grammar, a clause that is in the imperative, or in the imperative mood, contains the base form of a verb and usually has no subject. Examples are 'Go away' and 'Please be careful'. Clauses of this kind are typically used to tell someone to do something.
4. 祈使语气动词
An imperative is a verb in the base form that is used, usually without a subject, in an imperative clause.
1. some duty that is essential and urgent
2. a mood that expresses an intention to influence the listener's behavior