I could impart you could impart he could impart we could impart you could impart they could impart
V-ing form
I could be imparting you could be imparting he could be imparting we could be imparting you could be imparting they could be imparting
Perfect
I could have imparted you could have imparted he could have imparted we could have imparted you could have imparted they could have imparted
V-ing perfect
I could have been imparting you could have been imparting he could have been imparting we could have been imparting you could have been imparting they could have been imparting
Negation
Simple form
I could not impart you could not impart he could not impart we could not impart you could not impart they could not impart
V-ing form
I could not be imparting you could not be imparting he could not be imparting we could not be imparting you could not be imparting they could not be imparting
Perfect
I could not have imparted you could not have imparted he could not have imparted we could not have imparted you could not have imparted they could not have imparted
V-ing perfect
I could not have been imparting you could not have been imparting he could not have been imparting we could not have been imparting you could not have been imparting they could not have been imparting
Interrogative form
Simple form
could I impart? could you impart? could he impart? could we impart? could you impart? could they impart?
V-ing form
could I be imparting? could you be imparting? could he be imparting? could we be imparting? could you be imparting? could they be imparting?
Perfect
could I have imparted? could you have imparted? could he have imparted? could we have imparted? could you have imparted? could they have imparted?
V-ing perfect
could I have been imparting? could you have been imparting? could he have been imparting? could we have been imparting? could you have been imparting? could they have been imparting?
Interro-negative form
Simple form
could I not impart? could you not impart? could he not impart? could we not impart? could you not impart? could they not impart?
V-ing form
could I not be imparting? could you not be imparting? could he not be imparting? could we not be imparting? could you not be imparting? could they not be imparting?
Perfect
could I not have imparted? could you not have imparted? could he not have imparted? could we not have imparted? could you not have imparted? could they not have imparted?
V-ing perfect
could I not have been imparting? could you not have been imparting? could he not have been imparting? could we not have been imparting? could you not have been imparting? could they not have been imparting?