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