Affirmation
Forme simple
I could do
you could do
he could do
we could do
you could do
they could do
Forme en V-ing
I could be doing
you could be doing
he could be doing
we could be doing
you could be doing
they could be doing
Perfect
I could have done
you could have done
he could have done
we could have done
you could have done
they could have done
Perfect en V-ing
I could have been doing
you could have been doing
he could have been doing
we could have been doing
you could have been doing
they could have been doing
Négation
Forme simple
I couldn't do
you couldn't do
he couldn't do
we couldn't do
you couldn't do
they couldn't do
Forme en V-ing
I couldn't be doing
you couldn't be doing
he couldn't be doing
we couldn't be doing
you couldn't be doing
they couldn't be doing
Perfect
I couldn't have done
you couldn't have done
he couldn't have done
we couldn't have done
you couldn't have done
they couldn't have done
Perfect en V-ing
I couldn't have been doing
you couldn't have been doing
he couldn't have been doing
we couldn't have been doing
you couldn't have been doing
they couldn't have been doing
Forme interrogative
Forme simple
could I do?
could you do?
could he do?
could we do?
could you do?
could they do?
Forme en V-ing
could I be doing?
could you be doing?
could he be doing?
could we be doing?
could you be doing?
could they be doing?
Perfect
could I have done?
could you have done?
could he have done?
could we have done?
could you have done?
could they have done?
Perfect en V-ing
could I have been doing?
could you have been doing?
could he have been doing?
could we have been doing?
could you have been doing?
could they have been doing?
Forme interro-négative
Forme simple
couldn't I do?
couldn't you do?
couldn't he do?
couldn't we do?
couldn't you do?
couldn't they do?
Forme en V-ing
couldn't I be doing?
couldn't you be doing?
couldn't he be doing?
couldn't we be doing?
couldn't you be doing?
couldn't they be doing?
Perfect
couldn't I have done?
couldn't you have done?
couldn't he have done?
couldn't we have done?
couldn't you have done?
couldn't they have done?
Perfect en V-ing
couldn't I have been doing?
couldn't you have been doing?
couldn't he have been doing?
couldn't we have been doing?
couldn't you have been doing?
couldn't they have been doing?
Verbe au hasard
amount - answer - ask - attend - bleed - cheat - comment - compute - conjugate - consider - control - donate - enrich - entitle - feast - flight - found - garden - graduate - highlight - hospitalize - imprison - index - intend - lay - occur - peel - permit - pick - recognize - remarry - require - ring - serve - share - sing - smell - teach - tidy - to be - to do - to go - to have - wonder