English verb conjugation
CAN BLUSH

Regular verb: blush - blushed - blushed

Affirmation

Simple form	V-ing form
I can blush you can blush she can blush we can blush you can blush they can blush	I can be blushing you can be blushing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she blush? can we blush? can you blush? can they blush?	can I be blushing? can you be blushing? can she 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 she 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 she 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 she 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 she 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 she 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 she have been blushing? can't we have been blushing? can't you have been blushing? can't they have been blushing?