祈使句：一种语法形式，用于表达命令、请求、建议或劝告等。通常使用动词原形作为谓语，省略主语。
a mood that expresses an intention to influence the listener's behavior
同义词： imperative mood / imperative / jussive mood
... Negative form（否定形式） Imperative form（命令形式） Passive form（被动形式） ...
... 弱祈使语气 jussive mood 祈使形式 imperative form 祈使含义 imperative meaning ...
The imperative form of the verb optates, exhorts, or commands.
动词的祈使形式选择、劝告或命令。
The declarative information is transformed into an imperative form at compile-time, rather than each time it is used at runtime, resulting in faster code.
声明式信息在编译时转换为命令形式，而不是在运行时每次使用时进行转换，这使代码更快。
The Q-imperative sentence comprises an interrogative form which is inserted in an imperative form, and functions both as an interrogative sentence and as an imperative sentence.
由一个祈使形式和一个疑问形式嵌合而成，表达祈使、疑问两种功能。
No doubt, this is a specialized area, and that's why the company's CEO, Patrick Taylor , thought it was imperative to form an advisory board.
Has it not abandoned a form of radicalism which is imperative to the task of social transformation?