I could overassert you could overassert she could overassert we could overassert you could overassert they could overassert
V-ing form
I could be overasserting you could be overasserting she could be overasserting we could be overasserting you could be overasserting they could be overasserting
Perfect
I could have overasserted you could have overasserted she could have overasserted we could have overasserted you could have overasserted they could have overasserted
V-ing perfect
I could have been overasserting you could have been overasserting she could have been overasserting we could have been overasserting you could have been overasserting they could have been overasserting
Negation
Simple form
I could not overassert you could not overassert she could not overassert we could not overassert you could not overassert they could not overassert
V-ing form
I could not be overasserting you could not be overasserting she could not be overasserting we could not be overasserting you could not be overasserting they could not be overasserting
Perfect
I could not have overasserted you could not have overasserted she could not have overasserted we could not have overasserted you could not have overasserted they could not have overasserted
V-ing perfect
I could not have been overasserting you could not have been overasserting she could not have been overasserting we could not have been overasserting you could not have been overasserting they could not have been overasserting
Interrogative form
Simple form
could I overassert? could you overassert? could she overassert? could we overassert? could you overassert? could they overassert?
V-ing form
could I be overasserting? could you be overasserting? could she be overasserting? could we be overasserting? could you be overasserting? could they be overasserting?
Perfect
could I have overasserted? could you have overasserted? could she have overasserted? could we have overasserted? could you have overasserted? could they have overasserted?
V-ing perfect
could I have been overasserting? could you have been overasserting? could she have been overasserting? could we have been overasserting? could you have been overasserting? could they have been overasserting?
Interro-negative form
Simple form
could I not overassert? could you not overassert? could she not overassert? could we not overassert? could you not overassert? could they not overassert?
V-ing form
could I not be overasserting? could you not be overasserting? could she not be overasserting? could we not be overasserting? could you not be overasserting? could they not be overasserting?
Perfect
could I not have overasserted? could you not have overasserted? could she not have overasserted? could we not have overasserted? could you not have overasserted? could they not have overasserted?
V-ing perfect
could I not have been overasserting? could you not have been overasserting? could she not have been overasserting? could we not have been overasserting? could you not have been overasserting? could they not have been overasserting?