could jump
Verbo regular: jump - jumped- jumped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could jump
you could jump
she could jump
we could jump
you could jump
they could jump 	I could be jumping
you could be jumping
she could be jumping
we could be jumping
you could be jumping
they could be jumping	I could have jumped
you could have jumped
she could have jumped
we could have jumped
you could have jumped
they could have jumped	I could have been jumping
you could have been jumping
she could have been jumping
we could have been jumping
you could have been jumping
they could have been jumping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not jump
you could not jump
she could not jump
we could not jump
you could not jump
they could not jump 	I could not be jumping
you could not be jumping
she could not be jumping
we could not be jumping
you could not be jumping
they could not be jumping	I could not have jumped
you could not have jumped
she could not have jumped
we could not have jumped
you could not have jumped
they could not have jumped	I could not have been jumping
you could not have been jumping
she could not have been jumping
we could not have been jumping
you could not have been jumping
they could not have been jumping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I jump?
could you jump?
could she jump?
could we jump?
could you jump?
could they jump? 	could I be jumping?
could you be jumping?
could she be jumping?
could we be jumping?
could you be jumping?
could they be jumping? 	could I have jumped?
could you have jumped?
could she have jumped?
could we have jumped?
could you have jumped?
could they have jumped? 	could I have been jumping?
could you have been jumping?
could she have been jumping?
could we have been jumping?
could you have been jumping?
could they have been jumping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not jump?
could you not jump?
could she not jump?
could we not jump?
could you not jump?
could they not jump? 	could I not be jumping?
could you not be jumping?
could she not be jumping?
could we not be jumping?
could you not be jumping?
could they not be jumping? 	could I not have jumped?
could you not have jumped?
could she not have jumped?
could we not have jumped?
could you not have jumped?
could they not have jumped? 	could I not have been jumping?
could you not have been jumping?
could she not have been jumping?
could we not have been jumping?
could you not have been jumping?
could they not have been jumping?