Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could stay with you could stay with he could stay with we could stay with you could stay with they could stay with
Forme en V-ing
I could be stay withing you could be stay withing he could be stay withing we could be stay withing you could be stay withing they could be stay withing
Perfect
I could have stay withed you could have stay withed he could have stay withed we could have stay withed you could have stay withed they could have stay withed
Perfect en V-ing
I could have been stay withing you could have been stay withing he could have been stay withing we could have been stay withing you could have been stay withing they could have been stay withing
Négation
Forme simple
I couldn't stay with you couldn't stay with he couldn't stay with we couldn't stay with you couldn't stay with they couldn't stay with
Forme en V-ing
I couldn't be stay withing you couldn't be stay withing he couldn't be stay withing we couldn't be stay withing you couldn't be stay withing they couldn't be stay withing
Perfect
I couldn't have stay withed you couldn't have stay withed he couldn't have stay withed we couldn't have stay withed you couldn't have stay withed they couldn't have stay withed
Perfect en V-ing
I couldn't have been stay withing you couldn't have been stay withing he couldn't have been stay withing we couldn't have been stay withing you couldn't have been stay withing they couldn't have been stay withing
Forme interrogative
Forme simple
could I stay with? could you stay with? could he stay with? could we stay with? could you stay with? could they stay with?
Forme en V-ing
could I be stay withing? could you be stay withing? could he be stay withing? could we be stay withing? could you be stay withing? could they be stay withing?
Perfect
could I have stay withed? could you have stay withed? could he have stay withed? could we have stay withed? could you have stay withed? could they have stay withed?
Perfect en V-ing
could I have been stay withing? could you have been stay withing? could he have been stay withing? could we have been stay withing? could you have been stay withing? could they have been stay withing?
Forme interro-négative
Forme simple
couldn't I stay with? couldn't you stay with? couldn't he stay with? couldn't we stay with? couldn't you stay with? couldn't they stay with?
Forme en V-ing
couldn't I be stay withing? couldn't you be stay withing? couldn't he be stay withing? couldn't we be stay withing? couldn't you be stay withing? couldn't they be stay withing?
Perfect
couldn't I have stay withed? couldn't you have stay withed? couldn't he have stay withed? couldn't we have stay withed? couldn't you have stay withed? couldn't they have stay withed?
Perfect en V-ing
couldn't I have been stay withing? couldn't you have been stay withing? couldn't he have been stay withing? couldn't we have been stay withing? couldn't you have been stay withing? couldn't they have been stay withing?