I could relapse you could relapse he could relapse we could relapse you could relapse they could relapse
Forma con V-ing
I could be relapsing you could be relapsing he could be relapsing we could be relapsing you could be relapsing they could be relapsing
Perfecto
I could have relapsed you could have relapsed he could have relapsed we could have relapsed you could have relapsed they could have relapsed
Perfecto con V-ing
I could have been relapsing you could have been relapsing he could have been relapsing we could have been relapsing you could have been relapsing they could have been relapsing
Negación
Forma simple
I couldn't relapse you couldn't relapse he couldn't relapse we couldn't relapse you couldn't relapse they couldn't relapse
Forma con V-ing
I couldn't be relapsing you couldn't be relapsing he couldn't be relapsing we couldn't be relapsing you couldn't be relapsing they couldn't be relapsing
Perfecto
I couldn't have relapsed you couldn't have relapsed he couldn't have relapsed we couldn't have relapsed you couldn't have relapsed they couldn't have relapsed
Perfecto con V-ing
I couldn't have been relapsing you couldn't have been relapsing he couldn't have been relapsing we couldn't have been relapsing you couldn't have been relapsing they couldn't have been relapsing
Forma interrogativa
Forma simple
could I relapse? could you relapse? could he relapse? could we relapse? could you relapse? could they relapse?
Forma con V-ing
could I be relapsing? could you be relapsing? could he be relapsing? could we be relapsing? could you be relapsing? could they be relapsing?
Perfecto
could I have relapsed? could you have relapsed? could he have relapsed? could we have relapsed? could you have relapsed? could they have relapsed?
Perfecto con V-ing
could I have been relapsing? could you have been relapsing? could he have been relapsing? could we have been relapsing? could you have been relapsing? could they have been relapsing?
Forma interro-negativa
Forma simple
couldn't I relapse? couldn't you relapse? couldn't he relapse? couldn't we relapse? couldn't you relapse? couldn't they relapse?
Forma con V-ing
couldn't I be relapsing? couldn't you be relapsing? couldn't he be relapsing? couldn't we be relapsing? couldn't you be relapsing? couldn't they be relapsing?
Perfecto
couldn't I have relapsed? couldn't you have relapsed? couldn't he have relapsed? couldn't we have relapsed? couldn't you have relapsed? couldn't they have relapsed?
Perfecto con V-ing
couldn't I have been relapsing? couldn't you have been relapsing? couldn't he have been relapsing? couldn't we have been relapsing? couldn't you have been relapsing? couldn't they have been relapsing?