I could gloss you could gloss he could gloss we could gloss you could gloss they could gloss
Forme en V-ing
I could be glossing you could be glossing he could be glossing we could be glossing you could be glossing they could be glossing
Perfect
I could have glossed you could have glossed he could have glossed we could have glossed you could have glossed they could have glossed
Perfect en V-ing
I could have been glossing you could have been glossing he could have been glossing we could have been glossing you could have been glossing they could have been glossing
Négation
Forme simple
I couldn't gloss you couldn't gloss he couldn't gloss we couldn't gloss you couldn't gloss they couldn't gloss
Forme en V-ing
I couldn't be glossing you couldn't be glossing he couldn't be glossing we couldn't be glossing you couldn't be glossing they couldn't be glossing
Perfect
I couldn't have glossed you couldn't have glossed he couldn't have glossed we couldn't have glossed you couldn't have glossed they couldn't have glossed
Perfect en V-ing
I couldn't have been glossing you couldn't have been glossing he couldn't have been glossing we couldn't have been glossing you couldn't have been glossing they couldn't have been glossing
Forme interrogative
Forme simple
could I gloss? could you gloss? could he gloss? could we gloss? could you gloss? could they gloss?
Forme en V-ing
could I be glossing? could you be glossing? could he be glossing? could we be glossing? could you be glossing? could they be glossing?
Perfect
could I have glossed? could you have glossed? could he have glossed? could we have glossed? could you have glossed? could they have glossed?
Perfect en V-ing
could I have been glossing? could you have been glossing? could he have been glossing? could we have been glossing? could you have been glossing? could they have been glossing?
Forme interro-négative
Forme simple
couldn't I gloss? couldn't you gloss? couldn't he gloss? couldn't we gloss? couldn't you gloss? couldn't they gloss?
Forme en V-ing
couldn't I be glossing? couldn't you be glossing? couldn't he be glossing? couldn't we be glossing? couldn't you be glossing? couldn't they be glossing?
Perfect
couldn't I have glossed? couldn't you have glossed? couldn't he have glossed? couldn't we have glossed? couldn't you have glossed? couldn't they have glossed?
Perfect en V-ing
couldn't I have been glossing? couldn't you have been glossing? couldn't he have been glossing? couldn't we have been glossing? couldn't you have been glossing? couldn't they have been glossing?