can round
Regular verb: round - rounded- rounded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can round
you can round
he can round
we can round
you can round
they can round 	I can be rounding
you can be rounding
he can be rounding
we can be rounding
you can be rounding
they can be rounding	I can have rounded
you can have rounded
he can have rounded
we can have rounded
you can have rounded
they can have rounded	I can have been rounding
you can have been rounding
he can have been rounding
we can have been rounding
you can have been rounding
they can have been rounding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't round
you can't round
he can't round
we can't round
you can't round
they can't round 	I can't be rounding
you can't be rounding
he can't be rounding
we can't be rounding
you can't be rounding
they can't be rounding	I can't have rounded
you can't have rounded
he can't have rounded
we can't have rounded
you can't have rounded
they can't have rounded	I can't have been rounding
you can't have been rounding
he can't have been rounding
we can't have been rounding
you can't have been rounding
they can't have been rounding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I round?
can you round?
can he round?
can we round?
can you round?
can they round? 	can I be rounding?
can you be rounding?
can he be rounding?
can we be rounding?
can you be rounding?
can they be rounding? 	can I have rounded?
can you have rounded?
can he have rounded?
can we have rounded?
can you have rounded?
can they have rounded? 	can I have been rounding?
can you have been rounding?
can he have been rounding?
can we have been rounding?
can you have been rounding?
can they have been rounding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I round?
can't you round?
can't he round?
can't we round?
can't you round?
can't they round? 	can't I be rounding?
can't you be rounding?
can't he be rounding?
can't we be rounding?
can't you be rounding?
can't they be rounding? 	can't I have rounded?
can't you have rounded?
can't he have rounded?
can't we have rounded?
can't you have rounded?
can't they have rounded? 	can't I have been rounding?
can't you have been rounding?
can't he have been rounding?
can't we have been rounding?
can't you have been rounding?
can't they have been rounding?