can blush
Regular verb: blush - blushed- blushed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?