English verb conjugation
MUST PLUNDER

Regular verb: plunder - plundered - plundered

Affirmation

Simple form	V-ing form
I must plunder you must plunder she must plunder we must plunder you must plunder they must plunder	I must be plundering you must be plundering she must be plundering we must be plundering you must be plundering they must be plundering
Perfect	V-ing perfect
I must have plundered you must have plundered she must have plundered we must have plundered you must have plundered they must have plundered	I must have been plundering you must have been plundering she must have been plundering we must have been plundering you must have been plundering they must have been plundering

Negation

Simple form	V-ing form
I mustn't plunder you mustn't plunder she mustn't plunder we mustn't plunder you mustn't plunder they mustn't plunder	I mustn't be plundering you mustn't be plundering she mustn't be plundering we mustn't be plundering you mustn't be plundering they mustn't be plundering
Perfect	V-ing perfect
I mustn't have plundered you mustn't have plundered she mustn't have plundered we mustn't have plundered you mustn't have plundered they mustn't have plundered	I mustn't have been plundering you mustn't have been plundering she mustn't have been plundering we mustn't have been plundering you mustn't have been plundering they mustn't have been plundering

Interrogative form

Simple form	V-ing form
must I plunder? must you plunder? must she plunder? must we plunder? must you plunder? must they plunder?	must I be plundering? must you be plundering? must she be plundering? must we be plundering? must you be plundering? must they be plundering?
Perfect	V-ing perfect
must I have plundered? must you have plundered? must she have plundered? must we have plundered? must you have plundered? must they have plundered?	must I have been plundering? must you have been plundering? must she have been plundering? must we have been plundering? must you have been plundering? must they have been plundering?

Interro-negative form

Simple form	V-ing form
mustn't I plunder? mustn't you plunder? mustn't she plunder? mustn't we plunder? mustn't you plunder? mustn't they plunder?	mustn't I be plundering? mustn't you be plundering? mustn't she be plundering? mustn't we be plundering? mustn't you be plundering? mustn't they be plundering?
Perfect	V-ing perfect
mustn't I have plundered? mustn't you have plundered? mustn't she have plundered? mustn't we have plundered? mustn't you have plundered? mustn't they have plundered?	mustn't I have been plundering? mustn't you have been plundering? mustn't she have been plundering? mustn't we have been plundering? mustn't you have been plundering? mustn't they have been plundering?