I could sweet-talk you could sweet-talk he could sweet-talk we could sweet-talk you could sweet-talk they could sweet-talk
V-ing form
I could be sweet-talking you could be sweet-talking he could be sweet-talking we could be sweet-talking you could be sweet-talking they could be sweet-talking
Perfect
I could have sweet-talked you could have sweet-talked he could have sweet-talked we could have sweet-talked you could have sweet-talked they could have sweet-talked
V-ing perfect
I could have been sweet-talking you could have been sweet-talking he could have been sweet-talking we could have been sweet-talking you could have been sweet-talking they could have been sweet-talking
Negation
Simple form
I could not sweet-talk you could not sweet-talk he could not sweet-talk we could not sweet-talk you could not sweet-talk they could not sweet-talk
V-ing form
I could not be sweet-talking you could not be sweet-talking he could not be sweet-talking we could not be sweet-talking you could not be sweet-talking they could not be sweet-talking
Perfect
I could not have sweet-talked you could not have sweet-talked he could not have sweet-talked we could not have sweet-talked you could not have sweet-talked they could not have sweet-talked
V-ing perfect
I could not have been sweet-talking you could not have been sweet-talking he could not have been sweet-talking we could not have been sweet-talking you could not have been sweet-talking they could not have been sweet-talking
Interrogative form
Simple form
could I sweet-talk? could you sweet-talk? could he sweet-talk? could we sweet-talk? could you sweet-talk? could they sweet-talk?
V-ing form
could I be sweet-talking? could you be sweet-talking? could he be sweet-talking? could we be sweet-talking? could you be sweet-talking? could they be sweet-talking?
Perfect
could I have sweet-talked? could you have sweet-talked? could he have sweet-talked? could we have sweet-talked? could you have sweet-talked? could they have sweet-talked?
V-ing perfect
could I have been sweet-talking? could you have been sweet-talking? could he have been sweet-talking? could we have been sweet-talking? could you have been sweet-talking? could they have been sweet-talking?
Interro-negative form
Simple form
could I not sweet-talk? could you not sweet-talk? could he not sweet-talk? could we not sweet-talk? could you not sweet-talk? could they not sweet-talk?
V-ing form
could I not be sweet-talking? could you not be sweet-talking? could he not be sweet-talking? could we not be sweet-talking? could you not be sweet-talking? could they not be sweet-talking?
Perfect
could I not have sweet-talked? could you not have sweet-talked? could he not have sweet-talked? could we not have sweet-talked? could you not have sweet-talked? could they not have sweet-talked?
V-ing perfect
could I not have been sweet-talking? could you not have been sweet-talking? could he not have been sweet-talking? could we not have been sweet-talking? could you not have been sweet-talking? could they not have been sweet-talking?