English verb conjugation
COULD PLUNDER

Regular verb: plunder - plundered - plundered

Affirmation

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

Negation

Simple form	V-ing form
I could not plunder you could not plunder he could not plunder we could not plunder you could not plunder they could not plunder	I could not be plundering you could not be plundering he could not be plundering we could not be plundering you could not be plundering they could not be plundering
Perfect	V-ing perfect
I could not have plundered you could not have plundered he could not have plundered we could not have plundered you could not have plundered they could not have plundered	I could not have been plundering you could not have been plundering he could not have been plundering we could not have been plundering you could not have been plundering they could not have been plundering

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not plunder? could you not plunder? could he not plunder? could we not plunder? could you not plunder? could they not plunder?	could I not be plundering? could you not be plundering? could he not be plundering? could we not be plundering? could you not be plundering? could they not be plundering?
Perfect	V-ing perfect
could I not have plundered? could you not have plundered? could he not have plundered? could we not have plundered? could you not have plundered? could they not have plundered?	could I not have been plundering? could you not have been plundering? could he not have been plundering? could we not have been plundering? could you not have been plundering? could they not have been plundering?