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 cannot blush you cannot blush he cannot blush we cannot blush you cannot blush they cannot blush	I cannot be blushing you cannot be blushing he cannot be blushing we cannot be blushing you cannot be blushing they cannot be blushing
Perfect	V-ing perfect
I cannot have blushed you cannot have blushed he cannot have blushed we cannot have blushed you cannot have blushed they cannot have blushed	I cannot have been blushing you cannot have been blushing he cannot have been blushing we cannot have been blushing you cannot have been blushing they cannot 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 I not blush? can you not blush? can he not blush? can we not blush? can you not blush? can they not blush?	can I not be blushing? can you not be blushing? can he not be blushing? can we not be blushing? can you not be blushing? can they not be blushing?
Perfect	V-ing perfect
can I not have blushed? can you not have blushed? can he not have blushed? can we not have blushed? can you not have blushed? can they not have blushed?	can I not have been blushing? can you not have been blushing? can he not have been blushing? can we not have been blushing? can you not have been blushing? can they not have been blushing?