could whizz
Regular verb: whizz - whizzed- whizzed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could whizz
you could whizz
he could whizz
we could whizz
you could whizz
they could whizz 	I could be whizzing
you could be whizzing
he could be whizzing
we could be whizzing
you could be whizzing
they could be whizzing	I could have whizzed
you could have whizzed
he could have whizzed
we could have whizzed
you could have whizzed
they could have whizzed	I could have been whizzing
you could have been whizzing
he could have been whizzing
we could have been whizzing
you could have been whizzing
they could have been whizzing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not whizz
you could not whizz
he could not whizz
we could not whizz
you could not whizz
they could not whizz 	I could not be whizzing
you could not be whizzing
he could not be whizzing
we could not be whizzing
you could not be whizzing
they could not be whizzing	I could not have whizzed
you could not have whizzed
he could not have whizzed
we could not have whizzed
you could not have whizzed
they could not have whizzed	I could not have been whizzing
you could not have been whizzing
he could not have been whizzing
we could not have been whizzing
you could not have been whizzing
they could not have been whizzing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I whizz?
could you whizz?
could he whizz?
could we whizz?
could you whizz?
could they whizz? 	could I be whizzing?
could you be whizzing?
could he be whizzing?
could we be whizzing?
could you be whizzing?
could they be whizzing? 	could I have whizzed?
could you have whizzed?
could he have whizzed?
could we have whizzed?
could you have whizzed?
could they have whizzed? 	could I have been whizzing?
could you have been whizzing?
could he have been whizzing?
could we have been whizzing?
could you have been whizzing?
could they have been whizzing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not whizz?
could you not whizz?
could he not whizz?
could we not whizz?
could you not whizz?
could they not whizz? 	could I not be whizzing?
could you not be whizzing?
could he not be whizzing?
could we not be whizzing?
could you not be whizzing?
could they not be whizzing? 	could I not have whizzed?
could you not have whizzed?
could he not have whizzed?
could we not have whizzed?
could you not have whizzed?
could they not have whizzed? 	could I not have been whizzing?
could you not have been whizzing?
could he not have been whizzing?
could we not have been whizzing?
could you not have been whizzing?
could they not have been whizzing?