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