can beep
Regular verb: beep - beeped- beeped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can beep
you can beep
he can beep
we can beep
you can beep
they can beep 	I can be beeping
you can be beeping
he can be beeping
we can be beeping
you can be beeping
they can be beeping	I can have beeped
you can have beeped
he can have beeped
we can have beeped
you can have beeped
they can have beeped	I can have been beeping
you can have been beeping
he can have been beeping
we can have been beeping
you can have been beeping
they can have been beeping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot beep
you cannot beep
he cannot beep
we cannot beep
you cannot beep
they cannot beep 	I cannot be beeping
you cannot be beeping
he cannot be beeping
we cannot be beeping
you cannot be beeping
they cannot be beeping	I cannot have beeped
you cannot have beeped
he cannot have beeped
we cannot have beeped
you cannot have beeped
they cannot have beeped	I cannot have been beeping
you cannot have been beeping
he cannot have been beeping
we cannot have been beeping
you cannot have been beeping
they cannot have been beeping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I beep?
can you beep?
can he beep?
can we beep?
can you beep?
can they beep? 	can I be beeping?
can you be beeping?
can he be beeping?
can we be beeping?
can you be beeping?
can they be beeping? 	can I have beeped?
can you have beeped?
can he have beeped?
can we have beeped?
can you have beeped?
can they have beeped? 	can I have been beeping?
can you have been beeping?
can he have been beeping?
can we have been beeping?
can you have been beeping?
can they have been beeping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not beep?
can you not beep?
can he not beep?
can we not beep?
can you not beep?
can they not beep? 	can I not be beeping?
can you not be beeping?
can he not be beeping?
can we not be beeping?
can you not be beeping?
can they not be beeping? 	can I not have beeped?
can you not have beeped?
can he not have beeped?
can we not have beeped?
can you not have beeped?
can they not have beeped? 	can I not have been beeping?
can you not have been beeping?
can he not have been beeping?
can we not have been beeping?
can you not have been beeping?
can they not have been beeping?