English verb conjugation
COULD FORCE

Regular verb: force - forced - forced

Affirmation

Simple form	V-ing form
I could force you could force she could force we could force you could force they could force	I could be forcing you could be forcing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she force? could we force? could you force? could they force?	could I be forcing? could you be forcing? could she 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 she 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 she 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 she 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 she 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 she 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 she have been forcing? couldn't we have been forcing? couldn't you have been forcing? couldn't they have been forcing?