can punch
Regular verb: punch - punched- punched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can punch
you can punch
he can punch
we can punch
you can punch
they can punch 	I can be punching
you can be punching
he can be punching
we can be punching
you can be punching
they can be punching	I can have punched
you can have punched
he can have punched
we can have punched
you can have punched
they can have punched	I can have been punching
you can have been punching
he can have been punching
we can have been punching
you can have been punching
they can have been punching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't punch
you can't punch
he can't punch
we can't punch
you can't punch
they can't punch 	I can't be punching
you can't be punching
he can't be punching
we can't be punching
you can't be punching
they can't be punching	I can't have punched
you can't have punched
he can't have punched
we can't have punched
you can't have punched
they can't have punched	I can't have been punching
you can't have been punching
he can't have been punching
we can't have been punching
you can't have been punching
they can't have been punching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I punch?
can you punch?
can he punch?
can we punch?
can you punch?
can they punch? 	can I be punching?
can you be punching?
can he be punching?
can we be punching?
can you be punching?
can they be punching? 	can I have punched?
can you have punched?
can he have punched?
can we have punched?
can you have punched?
can they have punched? 	can I have been punching?
can you have been punching?
can he have been punching?
can we have been punching?
can you have been punching?
can they have been punching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I punch?
can't you punch?
can't he punch?
can't we punch?
can't you punch?
can't they punch? 	can't I be punching?
can't you be punching?
can't he be punching?
can't we be punching?
can't you be punching?
can't they be punching? 	can't I have punched?
can't you have punched?
can't he have punched?
can't we have punched?
can't you have punched?
can't they have punched? 	can't I have been punching?
can't you have been punching?
can't he have been punching?
can't we have been punching?
can't you have been punching?
can't they have been punching?