could jump-start
Verbo regular: jump-start - jump-started- jump-started

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could jump-start
you could jump-start
he could jump-start
we could jump-start
you could jump-start
they could jump-start 	I could be jump-starting
you could be jump-starting
he could be jump-starting
we could be jump-starting
you could be jump-starting
they could be jump-starting	I could have jump-started
you could have jump-started
he could have jump-started
we could have jump-started
you could have jump-started
they could have jump-started	I could have been jump-starting
you could have been jump-starting
he could have been jump-starting
we could have been jump-starting
you could have been jump-starting
they could have been jump-starting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not jump-start
you could not jump-start
he could not jump-start
we could not jump-start
you could not jump-start
they could not jump-start 	I could not be jump-starting
you could not be jump-starting
he could not be jump-starting
we could not be jump-starting
you could not be jump-starting
they could not be jump-starting	I could not have jump-started
you could not have jump-started
he could not have jump-started
we could not have jump-started
you could not have jump-started
they could not have jump-started	I could not have been jump-starting
you could not have been jump-starting
he could not have been jump-starting
we could not have been jump-starting
you could not have been jump-starting
they could not have been jump-starting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I jump-start?
could you jump-start?
could he jump-start?
could we jump-start?
could you jump-start?
could they jump-start? 	could I be jump-starting?
could you be jump-starting?
could he be jump-starting?
could we be jump-starting?
could you be jump-starting?
could they be jump-starting? 	could I have jump-started?
could you have jump-started?
could he have jump-started?
could we have jump-started?
could you have jump-started?
could they have jump-started? 	could I have been jump-starting?
could you have been jump-starting?
could he have been jump-starting?
could we have been jump-starting?
could you have been jump-starting?
could they have been jump-starting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not jump-start?
could you not jump-start?
could he not jump-start?
could we not jump-start?
could you not jump-start?
could they not jump-start? 	could I not be jump-starting?
could you not be jump-starting?
could he not be jump-starting?
could we not be jump-starting?
could you not be jump-starting?
could they not be jump-starting? 	could I not have jump-started?
could you not have jump-started?
could he not have jump-started?
could we not have jump-started?
could you not have jump-started?
could they not have jump-started? 	could I not have been jump-starting?
could you not have been jump-starting?
could he not have been jump-starting?
could we not have been jump-starting?
could you not have been jump-starting?
could they not have been jump-starting?