English verb conjugation
MUST REPINE

Regular verb: repine - repined - repined

Affirmation

Simple form	V-ing form
I must repine you must repine she must repine we must repine you must repine they must repine	I must be repining you must be repining she must be repining we must be repining you must be repining they must be repining
Perfect	V-ing perfect
I must have repined you must have repined she must have repined we must have repined you must have repined they must have repined	I must have been repining you must have been repining she must have been repining we must have been repining you must have been repining they must have been repining

Negation

Simple form	V-ing form
I mustn't repine you mustn't repine she mustn't repine we mustn't repine you mustn't repine they mustn't repine	I mustn't be repining you mustn't be repining she mustn't be repining we mustn't be repining you mustn't be repining they mustn't be repining
Perfect	V-ing perfect
I mustn't have repined you mustn't have repined she mustn't have repined we mustn't have repined you mustn't have repined they mustn't have repined	I mustn't have been repining you mustn't have been repining she mustn't have been repining we mustn't have been repining you mustn't have been repining they mustn't have been repining

Interrogative form

Simple form	V-ing form
must I repine? must you repine? must she repine? must we repine? must you repine? must they repine?	must I be repining? must you be repining? must she be repining? must we be repining? must you be repining? must they be repining?
Perfect	V-ing perfect
must I have repined? must you have repined? must she have repined? must we have repined? must you have repined? must they have repined?	must I have been repining? must you have been repining? must she have been repining? must we have been repining? must you have been repining? must they have been repining?

Interro-negative form

Simple form	V-ing form
mustn't I repine? mustn't you repine? mustn't she repine? mustn't we repine? mustn't you repine? mustn't they repine?	mustn't I be repining? mustn't you be repining? mustn't she be repining? mustn't we be repining? mustn't you be repining? mustn't they be repining?
Perfect	V-ing perfect
mustn't I have repined? mustn't you have repined? mustn't she have repined? mustn't we have repined? mustn't you have repined? mustn't they have repined?	mustn't I have been repining? mustn't you have been repining? mustn't she have been repining? mustn't we have been repining? mustn't you have been repining? mustn't they have been repining?