English verb conjugation
COULD OVERASSERT

Regular verb: overassert - overasserted - overasserted

Affirmation

Simple form	V-ing form
I could overassert you could overassert he could overassert we could overassert you could overassert they could overassert	I could be overasserting you could be overasserting he could be overasserting we could be overasserting you could be overasserting they could be overasserting
Perfect	V-ing perfect
I could have overasserted you could have overasserted he could have overasserted we could have overasserted you could have overasserted they could have overasserted	I could have been overasserting you could have been overasserting he could have been overasserting we could have been overasserting you could have been overasserting they could have been overasserting

Negation

Simple form	V-ing form
I couldn't overassert you couldn't overassert he couldn't overassert we couldn't overassert you couldn't overassert they couldn't overassert	I couldn't be overasserting you couldn't be overasserting he couldn't be overasserting we couldn't be overasserting you couldn't be overasserting they couldn't be overasserting
Perfect	V-ing perfect
I couldn't have overasserted you couldn't have overasserted he couldn't have overasserted we couldn't have overasserted you couldn't have overasserted they couldn't have overasserted	I couldn't have been overasserting you couldn't have been overasserting he couldn't have been overasserting we couldn't have been overasserting you couldn't have been overasserting they couldn't have been overasserting

Interrogative form

Simple form	V-ing form
could I overassert? could you overassert? could he overassert? could we overassert? could you overassert? could they overassert?	could I be overasserting? could you be overasserting? could he be overasserting? could we be overasserting? could you be overasserting? could they be overasserting?
Perfect	V-ing perfect
could I have overasserted? could you have overasserted? could he have overasserted? could we have overasserted? could you have overasserted? could they have overasserted?	could I have been overasserting? could you have been overasserting? could he have been overasserting? could we have been overasserting? could you have been overasserting? could they have been overasserting?

Interro-negative form

Simple form	V-ing form
couldn't I overassert? couldn't you overassert? couldn't he overassert? couldn't we overassert? couldn't you overassert? couldn't they overassert?	couldn't I be overasserting? couldn't you be overasserting? couldn't he be overasserting? couldn't we be overasserting? couldn't you be overasserting? couldn't they be overasserting?
Perfect	V-ing perfect
couldn't I have overasserted? couldn't you have overasserted? couldn't he have overasserted? couldn't we have overasserted? couldn't you have overasserted? couldn't they have overasserted?	couldn't I have been overasserting? couldn't you have been overasserting? couldn't he have been overasserting? couldn't we have been overasserting? couldn't you have been overasserting? couldn't they have been overasserting?