English verb conjugation
COULD STEAMROLLER

Regular verb: steamroller - steamrollered - steamrollered

Affirmation

Simple form	V-ing form
I could steamroller you could steamroller he could steamroller we could steamroller you could steamroller they could steamroller	I could be steamrollering you could be steamrollering he could be steamrollering we could be steamrollering you could be steamrollering they could be steamrollering
Perfect	V-ing perfect
I could have steamrollered you could have steamrollered he could have steamrollered we could have steamrollered you could have steamrollered they could have steamrollered	I could have been steamrollering you could have been steamrollering he could have been steamrollering we could have been steamrollering you could have been steamrollering they could have been steamrollering

Negation

Simple form	V-ing form
I couldn't steamroller you couldn't steamroller he couldn't steamroller we couldn't steamroller you couldn't steamroller they couldn't steamroller	I couldn't be steamrollering you couldn't be steamrollering he couldn't be steamrollering we couldn't be steamrollering you couldn't be steamrollering they couldn't be steamrollering
Perfect	V-ing perfect
I couldn't have steamrollered you couldn't have steamrollered he couldn't have steamrollered we couldn't have steamrollered you couldn't have steamrollered they couldn't have steamrollered	I couldn't have been steamrollering you couldn't have been steamrollering he couldn't have been steamrollering we couldn't have been steamrollering you couldn't have been steamrollering they couldn't have been steamrollering

Interrogative form

Simple form	V-ing form
could I steamroller? could you steamroller? could he steamroller? could we steamroller? could you steamroller? could they steamroller?	could I be steamrollering? could you be steamrollering? could he be steamrollering? could we be steamrollering? could you be steamrollering? could they be steamrollering?
Perfect	V-ing perfect
could I have steamrollered? could you have steamrollered? could he have steamrollered? could we have steamrollered? could you have steamrollered? could they have steamrollered?	could I have been steamrollering? could you have been steamrollering? could he have been steamrollering? could we have been steamrollering? could you have been steamrollering? could they have been steamrollering?

Interro-negative form

Simple form	V-ing form
couldn't I steamroller? couldn't you steamroller? couldn't he steamroller? couldn't we steamroller? couldn't you steamroller? couldn't they steamroller?	couldn't I be steamrollering? couldn't you be steamrollering? couldn't he be steamrollering? couldn't we be steamrollering? couldn't you be steamrollering? couldn't they be steamrollering?
Perfect	V-ing perfect
couldn't I have steamrollered? couldn't you have steamrollered? couldn't he have steamrollered? couldn't we have steamrollered? couldn't you have steamrollered? couldn't they have steamrollered?	couldn't I have been steamrollering? couldn't you have been steamrollering? couldn't he have been steamrollering? couldn't we have been steamrollering? couldn't you have been steamrollering? couldn't they have been steamrollering?