could whir
Regular verb: whir - whired- whired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could whir
you could whir
she could whir
we could whir
you could whir
they could whir 	I could be whiring
you could be whiring
she could be whiring
we could be whiring
you could be whiring
they could be whiring	I could have whired
you could have whired
she could have whired
we could have whired
you could have whired
they could have whired	I could have been whiring
you could have been whiring
she could have been whiring
we could have been whiring
you could have been whiring
they could have been whiring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not whir
you could not whir
she could not whir
we could not whir
you could not whir
they could not whir 	I could not be whiring
you could not be whiring
she could not be whiring
we could not be whiring
you could not be whiring
they could not be whiring	I could not have whired
you could not have whired
she could not have whired
we could not have whired
you could not have whired
they could not have whired	I could not have been whiring
you could not have been whiring
she could not have been whiring
we could not have been whiring
you could not have been whiring
they could not have been whiring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I whir?
could you whir?
could she whir?
could we whir?
could you whir?
could they whir? 	could I be whiring?
could you be whiring?
could she be whiring?
could we be whiring?
could you be whiring?
could they be whiring? 	could I have whired?
could you have whired?
could she have whired?
could we have whired?
could you have whired?
could they have whired? 	could I have been whiring?
could you have been whiring?
could she have been whiring?
could we have been whiring?
could you have been whiring?
could they have been whiring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not whir?
could you not whir?
could she not whir?
could we not whir?
could you not whir?
could they not whir? 	could I not be whiring?
could you not be whiring?
could she not be whiring?
could we not be whiring?
could you not be whiring?
could they not be whiring? 	could I not have whired?
could you not have whired?
could she not have whired?
could we not have whired?
could you not have whired?
could they not have whired? 	could I not have been whiring?
could you not have been whiring?
could she not have been whiring?
could we not have been whiring?
could you not have been whiring?
could they not have been whiring?