English verb conjugation
CAN MUSH

Regular verb: mush - mushed - mushed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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