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