English verb conjugation
CAN CONTRAST

Regular verb: contrast - contrasted - contrasted

Affirmation

Simple form	V-ing form
I can contrast you can contrast he can contrast we can contrast you can contrast they can contrast	I can be contrasting you can be contrasting he can be contrasting we can be contrasting you can be contrasting they can be contrasting
Perfect	V-ing perfect
I can have contrasted you can have contrasted he can have contrasted we can have contrasted you can have contrasted they can have contrasted	I can have been contrasting you can have been contrasting he can have been contrasting we can have been contrasting you can have been contrasting they can have been contrasting

Negation

Simple form	V-ing form
I can't contrast you can't contrast he can't contrast we can't contrast you can't contrast they can't contrast	I can't be contrasting you can't be contrasting he can't be contrasting we can't be contrasting you can't be contrasting they can't be contrasting
Perfect	V-ing perfect
I can't have contrasted you can't have contrasted he can't have contrasted we can't have contrasted you can't have contrasted they can't have contrasted	I can't have been contrasting you can't have been contrasting he can't have been contrasting we can't have been contrasting you can't have been contrasting they can't have been contrasting

Interrogative form

Simple form	V-ing form
can I contrast? can you contrast? can he contrast? can we contrast? can you contrast? can they contrast?	can I be contrasting? can you be contrasting? can he be contrasting? can we be contrasting? can you be contrasting? can they be contrasting?
Perfect	V-ing perfect
can I have contrasted? can you have contrasted? can he have contrasted? can we have contrasted? can you have contrasted? can they have contrasted?	can I have been contrasting? can you have been contrasting? can he have been contrasting? can we have been contrasting? can you have been contrasting? can they have been contrasting?

Interro-negative form

Simple form	V-ing form
can't I contrast? can't you contrast? can't he contrast? can't we contrast? can't you contrast? can't they contrast?	can't I be contrasting? can't you be contrasting? can't he be contrasting? can't we be contrasting? can't you be contrasting? can't they be contrasting?
Perfect	V-ing perfect
can't I have contrasted? can't you have contrasted? can't he have contrasted? can't we have contrasted? can't you have contrasted? can't they have contrasted?	can't I have been contrasting? can't you have been contrasting? can't he have been contrasting? can't we have been contrasting? can't you have been contrasting? can't they have been contrasting?