English verb conjugation
COULD ACT

Regular verb: act - acted - acted

Affirmation

Simple form	V-ing form
I could act you could act she could act we could act you could act they could act	I could be acting you could be acting she could be acting we could be acting you could be acting they could be acting
Perfect	V-ing perfect
I could have acted you could have acted she could have acted we could have acted you could have acted they could have acted	I could have been acting you could have been acting she could have been acting we could have been acting you could have been acting they could have been acting

Negation

Simple form	V-ing form
I couldn't act you couldn't act she couldn't act we couldn't act you couldn't act they couldn't act	I couldn't be acting you couldn't be acting she couldn't be acting we couldn't be acting you couldn't be acting they couldn't be acting
Perfect	V-ing perfect
I couldn't have acted you couldn't have acted she couldn't have acted we couldn't have acted you couldn't have acted they couldn't have acted	I couldn't have been acting you couldn't have been acting she couldn't have been acting we couldn't have been acting you couldn't have been acting they couldn't have been acting

Interrogative form

Simple form	V-ing form
could I act? could you act? could she act? could we act? could you act? could they act?	could I be acting? could you be acting? could she be acting? could we be acting? could you be acting? could they be acting?
Perfect	V-ing perfect
could I have acted? could you have acted? could she have acted? could we have acted? could you have acted? could they have acted?	could I have been acting? could you have been acting? could she have been acting? could we have been acting? could you have been acting? could they have been acting?

Interro-negative form

Simple form	V-ing form
couldn't I act? couldn't you act? couldn't she act? couldn't we act? couldn't you act? couldn't they act?	couldn't I be acting? couldn't you be acting? couldn't she be acting? couldn't we be acting? couldn't you be acting? couldn't they be acting?
Perfect	V-ing perfect
couldn't I have acted? couldn't you have acted? couldn't she have acted? couldn't we have acted? couldn't you have acted? couldn't they have acted?	couldn't I have been acting? couldn't you have been acting? couldn't she have been acting? couldn't we have been acting? couldn't you have been acting? couldn't they have been acting?