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 couldn't plunder you couldn't plunder he couldn't plunder we couldn't plunder you couldn't plunder they couldn't plunder	I couldn't be plundering you couldn't be plundering he couldn't be plundering we couldn't be plundering you couldn't be plundering they couldn't be plundering
Perfect	V-ing perfect
I couldn't have plundered you couldn't have plundered he couldn't have plundered we couldn't have plundered you couldn't have plundered they couldn't have plundered	I couldn't have been plundering you couldn't have been plundering he couldn't have been plundering we couldn't have been plundering you couldn't have been plundering they couldn't 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
couldn't I plunder? couldn't you plunder? couldn't he plunder? couldn't we plunder? couldn't you plunder? couldn't they plunder?	couldn't I be plundering? couldn't you be plundering? couldn't he be plundering? couldn't we be plundering? couldn't you be plundering? couldn't they be plundering?
Perfect	V-ing perfect
couldn't I have plundered? couldn't you have plundered? couldn't he have plundered? couldn't we have plundered? couldn't you have plundered? couldn't they have plundered?	couldn't I have been plundering? couldn't you have been plundering? couldn't he have been plundering? couldn't we have been plundering? couldn't you have been plundering? couldn't they have been plundering?