could pipet
Verbo regular: pipet - pipeted- pipeted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could pipet
you could pipet
she could pipet
we could pipet
you could pipet
they could pipet 	I could be pipeting
you could be pipeting
she could be pipeting
we could be pipeting
you could be pipeting
they could be pipeting	I could have pipeted
you could have pipeted
she could have pipeted
we could have pipeted
you could have pipeted
they could have pipeted	I could have been pipeting
you could have been pipeting
she could have been pipeting
we could have been pipeting
you could have been pipeting
they could have been pipeting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not pipet
you could not pipet
she could not pipet
we could not pipet
you could not pipet
they could not pipet 	I could not be pipeting
you could not be pipeting
she could not be pipeting
we could not be pipeting
you could not be pipeting
they could not be pipeting	I could not have pipeted
you could not have pipeted
she could not have pipeted
we could not have pipeted
you could not have pipeted
they could not have pipeted	I could not have been pipeting
you could not have been pipeting
she could not have been pipeting
we could not have been pipeting
you could not have been pipeting
they could not have been pipeting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I pipet?
could you pipet?
could she pipet?
could we pipet?
could you pipet?
could they pipet? 	could I be pipeting?
could you be pipeting?
could she be pipeting?
could we be pipeting?
could you be pipeting?
could they be pipeting? 	could I have pipeted?
could you have pipeted?
could she have pipeted?
could we have pipeted?
could you have pipeted?
could they have pipeted? 	could I have been pipeting?
could you have been pipeting?
could she have been pipeting?
could we have been pipeting?
could you have been pipeting?
could they have been pipeting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not pipet?
could you not pipet?
could she not pipet?
could we not pipet?
could you not pipet?
could they not pipet? 	could I not be pipeting?
could you not be pipeting?
could she not be pipeting?
could we not be pipeting?
could you not be pipeting?
could they not be pipeting? 	could I not have pipeted?
could you not have pipeted?
could she not have pipeted?
could we not have pipeted?
could you not have pipeted?
could they not have pipeted? 	could I not have been pipeting?
could you not have been pipeting?
could she not have been pipeting?
could we not have been pipeting?
could you not have been pipeting?
could they not have been pipeting?