can perform
Regular verb: perform - performed- performed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can perform
you can perform
she can perform
we can perform
you can perform
they can perform 	I can be performing
you can be performing
she can be performing
we can be performing
you can be performing
they can be performing	I can have performed
you can have performed
she can have performed
we can have performed
you can have performed
they can have performed	I can have been performing
you can have been performing
she can have been performing
we can have been performing
you can have been performing
they can have been performing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't perform
you can't perform
she can't perform
we can't perform
you can't perform
they can't perform 	I can't be performing
you can't be performing
she can't be performing
we can't be performing
you can't be performing
they can't be performing	I can't have performed
you can't have performed
she can't have performed
we can't have performed
you can't have performed
they can't have performed	I can't have been performing
you can't have been performing
she can't have been performing
we can't have been performing
you can't have been performing
they can't have been performing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I perform?
can you perform?
can she perform?
can we perform?
can you perform?
can they perform? 	can I be performing?
can you be performing?
can she be performing?
can we be performing?
can you be performing?
can they be performing? 	can I have performed?
can you have performed?
can she have performed?
can we have performed?
can you have performed?
can they have performed? 	can I have been performing?
can you have been performing?
can she have been performing?
can we have been performing?
can you have been performing?
can they have been performing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I perform?
can't you perform?
can't she perform?
can't we perform?
can't you perform?
can't they perform? 	can't I be performing?
can't you be performing?
can't she be performing?
can't we be performing?
can't you be performing?
can't they be performing? 	can't I have performed?
can't you have performed?
can't she have performed?
can't we have performed?
can't you have performed?
can't they have performed? 	can't I have been performing?
can't you have been performing?
can't she have been performing?
can't we have been performing?
can't you have been performing?
can't they have been performing?