Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could think back you could think back she could think back we could think back you could think back they could think back
Forme en V-ing
I could be think backing you could be think backing she could be think backing we could be think backing you could be think backing they could be think backing
Perfect
I could have think backed you could have think backed she could have think backed we could have think backed you could have think backed they could have think backed
Perfect en V-ing
I could have been think backing you could have been think backing she could have been think backing we could have been think backing you could have been think backing they could have been think backing
Négation
Forme simple
I could not think back you could not think back she could not think back we could not think back you could not think back they could not think back
Forme en V-ing
I could not be think backing you could not be think backing she could not be think backing we could not be think backing you could not be think backing they could not be think backing
Perfect
I could not have think backed you could not have think backed she could not have think backed we could not have think backed you could not have think backed they could not have think backed
Perfect en V-ing
I could not have been think backing you could not have been think backing she could not have been think backing we could not have been think backing you could not have been think backing they could not have been think backing
Forme interrogative
Forme simple
could I think back? could you think back? could she think back? could we think back? could you think back? could they think back?
Forme en V-ing
could I be think backing? could you be think backing? could she be think backing? could we be think backing? could you be think backing? could they be think backing?
Perfect
could I have think backed? could you have think backed? could she have think backed? could we have think backed? could you have think backed? could they have think backed?
Perfect en V-ing
could I have been think backing? could you have been think backing? could she have been think backing? could we have been think backing? could you have been think backing? could they have been think backing?
Forme interro-négative
Forme simple
could I not think back? could you not think back? could she not think back? could we not think back? could you not think back? could they not think back?
Forme en V-ing
could I not be think backing? could you not be think backing? could she not be think backing? could we not be think backing? could you not be think backing? could they not be think backing?
Perfect
could I not have think backed? could you not have think backed? could she not have think backed? could we not have think backed? could you not have think backed? could they not have think backed?
Perfect en V-ing
could I not have been think backing? could you not have been think backing? could she not have been think backing? could we not have been think backing? could you not have been think backing? could they not have been think backing?