I could air-condition you could air-condition he could air-condition we could air-condition you could air-condition they could air-condition
Forme en V-ing
I could be air-conditioning you could be air-conditioning he could be air-conditioning we could be air-conditioning you could be air-conditioning they could be air-conditioning
Perfect
I could have air-conditioned you could have air-conditioned he could have air-conditioned we could have air-conditioned you could have air-conditioned they could have air-conditioned
Perfect en V-ing
I could have been air-conditioning you could have been air-conditioning he could have been air-conditioning we could have been air-conditioning you could have been air-conditioning they could have been air-conditioning
Négation
Forme simple
I couldn't air-condition you couldn't air-condition he couldn't air-condition we couldn't air-condition you couldn't air-condition they couldn't air-condition
Forme en V-ing
I couldn't be air-conditioning you couldn't be air-conditioning he couldn't be air-conditioning we couldn't be air-conditioning you couldn't be air-conditioning they couldn't be air-conditioning
Perfect
I couldn't have air-conditioned you couldn't have air-conditioned he couldn't have air-conditioned we couldn't have air-conditioned you couldn't have air-conditioned they couldn't have air-conditioned
Perfect en V-ing
I couldn't have been air-conditioning you couldn't have been air-conditioning he couldn't have been air-conditioning we couldn't have been air-conditioning you couldn't have been air-conditioning they couldn't have been air-conditioning
Forme interrogative
Forme simple
could I air-condition? could you air-condition? could he air-condition? could we air-condition? could you air-condition? could they air-condition?
Forme en V-ing
could I be air-conditioning? could you be air-conditioning? could he be air-conditioning? could we be air-conditioning? could you be air-conditioning? could they be air-conditioning?
Perfect
could I have air-conditioned? could you have air-conditioned? could he have air-conditioned? could we have air-conditioned? could you have air-conditioned? could they have air-conditioned?
Perfect en V-ing
could I have been air-conditioning? could you have been air-conditioning? could he have been air-conditioning? could we have been air-conditioning? could you have been air-conditioning? could they have been air-conditioning?
Forme interro-négative
Forme simple
couldn't I air-condition? couldn't you air-condition? couldn't he air-condition? couldn't we air-condition? couldn't you air-condition? couldn't they air-condition?
Forme en V-ing
couldn't I be air-conditioning? couldn't you be air-conditioning? couldn't he be air-conditioning? couldn't we be air-conditioning? couldn't you be air-conditioning? couldn't they be air-conditioning?
Perfect
couldn't I have air-conditioned? couldn't you have air-conditioned? couldn't he have air-conditioned? couldn't we have air-conditioned? couldn't you have air-conditioned? couldn't they have air-conditioned?
Perfect en V-ing
couldn't I have been air-conditioning? couldn't you have been air-conditioning? couldn't he have been air-conditioning? couldn't we have been air-conditioning? couldn't you have been air-conditioning? couldn't they have been air-conditioning?