English verb conjugation
CAN BLUSH

Regular verb: blush - blushed - blushed

Affirmation

Simple form	V-ing form
I can blush you can blush he can blush we can blush you can blush they can blush	I can be blushing you can be blushing he can be blushing we can be blushing you can be blushing they can be blushing
Perfect	V-ing perfect
I can have blushed you can have blushed he can have blushed we can have blushed you can have blushed they can have blushed	I can have been blushing you can have been blushing he can have been blushing we can have been blushing you can have been blushing they can have been blushing

Negation

Simple form	V-ing form
I can't blush you can't blush he can't blush we can't blush you can't blush they can't blush	I can't be blushing you can't be blushing he can't be blushing we can't be blushing you can't be blushing they can't be blushing
Perfect	V-ing perfect
I can't have blushed you can't have blushed he can't have blushed we can't have blushed you can't have blushed they can't have blushed	I can't have been blushing you can't have been blushing he can't have been blushing we can't have been blushing you can't have been blushing they can't have been blushing

Interrogative form

Simple form	V-ing form
can I blush? can you blush? can he blush? can we blush? can you blush? can they blush?	can I be blushing? can you be blushing? can he be blushing? can we be blushing? can you be blushing? can they be blushing?
Perfect	V-ing perfect
can I have blushed? can you have blushed? can he have blushed? can we have blushed? can you have blushed? can they have blushed?	can I have been blushing? can you have been blushing? can he have been blushing? can we have been blushing? can you have been blushing? can they have been blushing?

Interro-negative form

Simple form	V-ing form
can't I blush? can't you blush? can't he blush? can't we blush? can't you blush? can't they blush?	can't I be blushing? can't you be blushing? can't he be blushing? can't we be blushing? can't you be blushing? can't they be blushing?
Perfect	V-ing perfect
can't I have blushed? can't you have blushed? can't he have blushed? can't we have blushed? can't you have blushed? can't they have blushed?	can't I have been blushing? can't you have been blushing? can't he have been blushing? can't we have been blushing? can't you have been blushing? can't they have been blushing?