I could boost you could boost he could boost we could boost you could boost they could boost
Forma com V-ing
I could be boosting you could be boosting he could be boosting we could be boosting you could be boosting they could be boosting
Perfeito
I could have boosted you could have boosted he could have boosted we could have boosted you could have boosted they could have boosted
Perfeito com V-ing
I could have been boosting you could have been boosting he could have been boosting we could have been boosting you could have been boosting they could have been boosting
Negação
Forma simple
I could not boost you could not boost he could not boost we could not boost you could not boost they could not boost
Forma com V-ing
I could not be boosting you could not be boosting he could not be boosting we could not be boosting you could not be boosting they could not be boosting
Perfeito
I could not have boosted you could not have boosted he could not have boosted we could not have boosted you could not have boosted they could not have boosted
Perfeito com V-ing
I could not have been boosting you could not have been boosting he could not have been boosting we could not have been boosting you could not have been boosting they could not have been boosting
Forma interrogativa
Forma simple
could I boost? could you boost? could he boost? could we boost? could you boost? could they boost?
Forma com V-ing
could I be boosting? could you be boosting? could he be boosting? could we be boosting? could you be boosting? could they be boosting?
Perfeito
could I have boosted? could you have boosted? could he have boosted? could we have boosted? could you have boosted? could they have boosted?
Perfeito com V-ing
could I have been boosting? could you have been boosting? could he have been boosting? could we have been boosting? could you have been boosting? could they have been boosting?
Forma interro-Negação
Forma simple
could I not boost? could you not boost? could he not boost? could we not boost? could you not boost? could they not boost?
Forma com V-ing
could I not be boosting? could you not be boosting? could he not be boosting? could we not be boosting? could you not be boosting? could they not be boosting?
Perfeito
could I not have boosted? could you not have boosted? could he not have boosted? could we not have boosted? could you not have boosted? could they not have boosted?
Perfeito com V-ing
could I not have been boosting? could you not have been boosting? could he not have been boosting? could we not have been boosting? could you not have been boosting? could they not have been boosting?