Attenzione, questo verbo potrebbe non esistere, la coniugazione viene fornita come esempio.
Affermazione
Forma semplice
I could stay up you could stay up he could stay up we could stay up you could stay up they could stay up
Forma con V-ing
I could be stay uping you could be stay uping he could be stay uping we could be stay uping you could be stay uping they could be stay uping
Perfetto
I could have stay uped you could have stay uped he could have stay uped we could have stay uped you could have stay uped they could have stay uped
Perfetto con V-ing
I could have been stay uping you could have been stay uping he could have been stay uping we could have been stay uping you could have been stay uping they could have been stay uping
Negazione
Forma semplice
I couldn't stay up you couldn't stay up he couldn't stay up we couldn't stay up you couldn't stay up they couldn't stay up
Forma con V-ing
I couldn't be stay uping you couldn't be stay uping he couldn't be stay uping we couldn't be stay uping you couldn't be stay uping they couldn't be stay uping
Perfetto
I couldn't have stay uped you couldn't have stay uped he couldn't have stay uped we couldn't have stay uped you couldn't have stay uped they couldn't have stay uped
Perfetto con V-ing
I couldn't have been stay uping you couldn't have been stay uping he couldn't have been stay uping we couldn't have been stay uping you couldn't have been stay uping they couldn't have been stay uping
Forma interrogativa
Forma semplice
could I stay up? could you stay up? could he stay up? could we stay up? could you stay up? could they stay up?
Forma con V-ing
could I be stay uping? could you be stay uping? could he be stay uping? could we be stay uping? could you be stay uping? could they be stay uping?
Perfetto
could I have stay uped? could you have stay uped? could he have stay uped? could we have stay uped? could you have stay uped? could they have stay uped?
Perfetto con V-ing
could I have been stay uping? could you have been stay uping? could he have been stay uping? could we have been stay uping? could you have been stay uping? could they have been stay uping?
Forma interro-negativa
Forma semplice
couldn't I stay up? couldn't you stay up? couldn't he stay up? couldn't we stay up? couldn't you stay up? couldn't they stay up?
Forma con V-ing
couldn't I be stay uping? couldn't you be stay uping? couldn't he be stay uping? couldn't we be stay uping? couldn't you be stay uping? couldn't they be stay uping?
Perfetto
couldn't I have stay uped? couldn't you have stay uped? couldn't he have stay uped? couldn't we have stay uped? couldn't you have stay uped? couldn't they have stay uped?
Perfetto con V-ing
couldn't I have been stay uping? couldn't you have been stay uping? couldn't he have been stay uping? couldn't we have been stay uping? couldn't you have been stay uping? couldn't they have been stay uping?