English verb conjugation
COULD FORCE

Regular verb: force - forced - forced

Affirmation

Simple form	V-ing form
I could force you could force he could force we could force you could force they could force	I could be forcing you could be forcing he could be forcing we could be forcing you could be forcing they could be forcing
Perfect	V-ing perfect
I could have forced you could have forced he could have forced we could have forced you could have forced they could have forced	I could have been forcing you could have been forcing he could have been forcing we could have been forcing you could have been forcing they could have been forcing

Negation

Simple form	V-ing form
I couldn't force you couldn't force he couldn't force we couldn't force you couldn't force they couldn't force	I couldn't be forcing you couldn't be forcing he couldn't be forcing we couldn't be forcing you couldn't be forcing they couldn't be forcing
Perfect	V-ing perfect
I couldn't have forced you couldn't have forced he couldn't have forced we couldn't have forced you couldn't have forced they couldn't have forced	I couldn't have been forcing you couldn't have been forcing he couldn't have been forcing we couldn't have been forcing you couldn't have been forcing they couldn't have been forcing

Interrogative form

Simple form	V-ing form
could I force? could you force? could he force? could we force? could you force? could they force?	could I be forcing? could you be forcing? could he be forcing? could we be forcing? could you be forcing? could they be forcing?
Perfect	V-ing perfect
could I have forced? could you have forced? could he have forced? could we have forced? could you have forced? could they have forced?	could I have been forcing? could you have been forcing? could he have been forcing? could we have been forcing? could you have been forcing? could they have been forcing?

Interro-negative form

Simple form	V-ing form
couldn't I force? couldn't you force? couldn't he force? couldn't we force? couldn't you force? couldn't they force?	couldn't I be forcing? couldn't you be forcing? couldn't he be forcing? couldn't we be forcing? couldn't you be forcing? couldn't they be forcing?
Perfect	V-ing perfect
couldn't I have forced? couldn't you have forced? couldn't he have forced? couldn't we have forced? couldn't you have forced? couldn't they have forced?	couldn't I have been forcing? couldn't you have been forcing? couldn't he have been forcing? couldn't we have been forcing? couldn't you have been forcing? couldn't they have been forcing?