English verb conjugation
COULD MUSH

Regular verb: mush - mushed - mushed

Affirmation

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