could push
Verbo regular: push - pushed- pushed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could push
you could push
she could push
we could push
you could push
they could push 	I could be pushing
you could be pushing
she could be pushing
we could be pushing
you could be pushing
they could be pushing	I could have pushed
you could have pushed
she could have pushed
we could have pushed
you could have pushed
they could have pushed	I could have been pushing
you could have been pushing
she could have been pushing
we could have been pushing
you could have been pushing
they could have been pushing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not push
you could not push
she could not push
we could not push
you could not push
they could not push 	I could not be pushing
you could not be pushing
she could not be pushing
we could not be pushing
you could not be pushing
they could not be pushing	I could not have pushed
you could not have pushed
she could not have pushed
we could not have pushed
you could not have pushed
they could not have pushed	I could not have been pushing
you could not have been pushing
she could not have been pushing
we could not have been pushing
you could not have been pushing
they could not have been pushing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I push?
could you push?
could she push?
could we push?
could you push?
could they push? 	could I be pushing?
could you be pushing?
could she be pushing?
could we be pushing?
could you be pushing?
could they be pushing? 	could I have pushed?
could you have pushed?
could she have pushed?
could we have pushed?
could you have pushed?
could they have pushed? 	could I have been pushing?
could you have been pushing?
could she have been pushing?
could we have been pushing?
could you have been pushing?
could they have been pushing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not push?
could you not push?
could she not push?
could we not push?
could you not push?
could they not push? 	could I not be pushing?
could you not be pushing?
could she not be pushing?
could we not be pushing?
could you not be pushing?
could they not be pushing? 	could I not have pushed?
could you not have pushed?
could she not have pushed?
could we not have pushed?
could you not have pushed?
could they not have pushed? 	could I not have been pushing?
could you not have been pushing?
could she not have been pushing?
could we not have been pushing?
could you not have been pushing?
could they not have been pushing?