I could ligate you could ligate she could ligate we could ligate you could ligate they could ligate
Forme en V-ing
I could be ligating you could be ligating she could be ligating we could be ligating you could be ligating they could be ligating
Perfect
I could have ligated you could have ligated she could have ligated we could have ligated you could have ligated they could have ligated
Perfect en V-ing
I could have been ligating you could have been ligating she could have been ligating we could have been ligating you could have been ligating they could have been ligating
Négation
Forme simple
I couldn't ligate you couldn't ligate she couldn't ligate we couldn't ligate you couldn't ligate they couldn't ligate
Forme en V-ing
I couldn't be ligating you couldn't be ligating she couldn't be ligating we couldn't be ligating you couldn't be ligating they couldn't be ligating
Perfect
I couldn't have ligated you couldn't have ligated she couldn't have ligated we couldn't have ligated you couldn't have ligated they couldn't have ligated
Perfect en V-ing
I couldn't have been ligating you couldn't have been ligating she couldn't have been ligating we couldn't have been ligating you couldn't have been ligating they couldn't have been ligating
Forme interrogative
Forme simple
could I ligate? could you ligate? could she ligate? could we ligate? could you ligate? could they ligate?
Forme en V-ing
could I be ligating? could you be ligating? could she be ligating? could we be ligating? could you be ligating? could they be ligating?
Perfect
could I have ligated? could you have ligated? could she have ligated? could we have ligated? could you have ligated? could they have ligated?
Perfect en V-ing
could I have been ligating? could you have been ligating? could she have been ligating? could we have been ligating? could you have been ligating? could they have been ligating?
Forme interro-négative
Forme simple
couldn't I ligate? couldn't you ligate? couldn't she ligate? couldn't we ligate? couldn't you ligate? couldn't they ligate?
Forme en V-ing
couldn't I be ligating? couldn't you be ligating? couldn't she be ligating? couldn't we be ligating? couldn't you be ligating? couldn't they be ligating?
Perfect
couldn't I have ligated? couldn't you have ligated? couldn't she have ligated? couldn't we have ligated? couldn't you have ligated? couldn't they have ligated?
Perfect en V-ing
couldn't I have been ligating? couldn't you have been ligating? couldn't she have been ligating? couldn't we have been ligating? couldn't you have been ligating? couldn't they have been ligating?