I could delve you could delve she could delve we could delve you could delve they could delve
Forma com V-ing
I could be delving you could be delving she could be delving we could be delving you could be delving they could be delving
Perfeito
I could have delved you could have delved she could have delved we could have delved you could have delved they could have delved
Perfeito com V-ing
I could have been delving you could have been delving she could have been delving we could have been delving you could have been delving they could have been delving
Negação
Forma simple
I could not delve you could not delve she could not delve we could not delve you could not delve they could not delve
Forma com V-ing
I could not be delving you could not be delving she could not be delving we could not be delving you could not be delving they could not be delving
Perfeito
I could not have delved you could not have delved she could not have delved we could not have delved you could not have delved they could not have delved
Perfeito com V-ing
I could not have been delving you could not have been delving she could not have been delving we could not have been delving you could not have been delving they could not have been delving
Forma interrogativa
Forma simple
could I delve? could you delve? could she delve? could we delve? could you delve? could they delve?
Forma com V-ing
could I be delving? could you be delving? could she be delving? could we be delving? could you be delving? could they be delving?
Perfeito
could I have delved? could you have delved? could she have delved? could we have delved? could you have delved? could they have delved?
Perfeito com V-ing
could I have been delving? could you have been delving? could she have been delving? could we have been delving? could you have been delving? could they have been delving?
Forma interro-Negação
Forma simple
could I not delve? could you not delve? could she not delve? could we not delve? could you not delve? could they not delve?
Forma com V-ing
could I not be delving? could you not be delving? could she not be delving? could we not be delving? could you not be delving? could they not be delving?
Perfeito
could I not have delved? could you not have delved? could she not have delved? could we not have delved? could you not have delved? could they not have delved?
Perfeito com V-ing
could I not have been delving? could you not have been delving? could she not have been delving? could we not have been delving? could you not have been delving? could they not have been delving?