English verb conjugation
COULD MUSH

Regular verb: mush - mushed - mushed

Affirmation

Simple form	V-ing form
I could mush you could mush he could mush we could mush you could mush they could mush	I could be mushing you could be mushing he could be mushing we could be mushing you could be mushing they could be mushing
Perfect	V-ing perfect
I could have mushed you could have mushed he could have mushed we could have mushed you could have mushed they could have mushed	I could have been mushing you could have been mushing he could have been mushing we could have been mushing you could have been mushing they could have been mushing

Negation

Simple form	V-ing form
I couldn't mush you couldn't mush he couldn't mush we couldn't mush you couldn't mush they couldn't mush	I couldn't be mushing you couldn't be mushing he couldn't be mushing we couldn't be mushing you couldn't be mushing they couldn't be mushing
Perfect	V-ing perfect
I couldn't have mushed you couldn't have mushed he couldn't have mushed we couldn't have mushed you couldn't have mushed they couldn't have mushed	I couldn't have been mushing you couldn't have been mushing he couldn't have been mushing we couldn't have been mushing you couldn't have been mushing they couldn't have been mushing

Interrogative form

Simple form	V-ing form
could I mush? could you mush? could he mush? could we mush? could you mush? could they mush?	could I be mushing? could you be mushing? could he be mushing? could we be mushing? could you be mushing? could they be mushing?
Perfect	V-ing perfect
could I have mushed? could you have mushed? could he have mushed? could we have mushed? could you have mushed? could they have mushed?	could I have been mushing? could you have been mushing? could he have been mushing? could we have been mushing? could you have been mushing? could they have been mushing?

Interro-negative form

Simple form	V-ing form
couldn't I mush? couldn't you mush? couldn't he mush? couldn't we mush? couldn't you mush? couldn't they mush?	couldn't I be mushing? couldn't you be mushing? couldn't he be mushing? couldn't we be mushing? couldn't you be mushing? couldn't they be mushing?
Perfect	V-ing perfect
couldn't I have mushed? couldn't you have mushed? couldn't he have mushed? couldn't we have mushed? couldn't you have mushed? couldn't they have mushed?	couldn't I have been mushing? couldn't you have been mushing? couldn't he have been mushing? couldn't we have been mushing? couldn't you have been mushing? couldn't they have been mushing?