could insert
Verbo regular: insert - inserted- inserted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could insert
you could insert
she could insert
we could insert
you could insert
they could insert 	I could be inserting
you could be inserting
she could be inserting
we could be inserting
you could be inserting
they could be inserting	I could have inserted
you could have inserted
she could have inserted
we could have inserted
you could have inserted
they could have inserted	I could have been inserting
you could have been inserting
she could have been inserting
we could have been inserting
you could have been inserting
they could have been inserting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not insert
you could not insert
she could not insert
we could not insert
you could not insert
they could not insert 	I could not be inserting
you could not be inserting
she could not be inserting
we could not be inserting
you could not be inserting
they could not be inserting	I could not have inserted
you could not have inserted
she could not have inserted
we could not have inserted
you could not have inserted
they could not have inserted	I could not have been inserting
you could not have been inserting
she could not have been inserting
we could not have been inserting
you could not have been inserting
they could not have been inserting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I insert?
could you insert?
could she insert?
could we insert?
could you insert?
could they insert? 	could I be inserting?
could you be inserting?
could she be inserting?
could we be inserting?
could you be inserting?
could they be inserting? 	could I have inserted?
could you have inserted?
could she have inserted?
could we have inserted?
could you have inserted?
could they have inserted? 	could I have been inserting?
could you have been inserting?
could she have been inserting?
could we have been inserting?
could you have been inserting?
could they have been inserting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not insert?
could you not insert?
could she not insert?
could we not insert?
could you not insert?
could they not insert? 	could I not be inserting?
could you not be inserting?
could she not be inserting?
could we not be inserting?
could you not be inserting?
could they not be inserting? 	could I not have inserted?
could you not have inserted?
could she not have inserted?
could we not have inserted?
could you not have inserted?
could they not have inserted? 	could I not have been inserting?
could you not have been inserting?
could she not have been inserting?
could we not have been inserting?
could you not have been inserting?
could they not have been inserting?