English verb conjugation
COULD OVEREXERT

Regular verb: overexert - overexerted - overexerted

Affirmation

Simple form	V-ing form
I could overexert you could overexert she could overexert we could overexert you could overexert they could overexert	I could be overexerting you could be overexerting she could be overexerting we could be overexerting you could be overexerting they could be overexerting
Perfect	V-ing perfect
I could have overexerted you could have overexerted she could have overexerted we could have overexerted you could have overexerted they could have overexerted	I could have been overexerting you could have been overexerting she could have been overexerting we could have been overexerting you could have been overexerting they could have been overexerting

Negation

Simple form	V-ing form
I couldn't overexert you couldn't overexert she couldn't overexert we couldn't overexert you couldn't overexert they couldn't overexert	I couldn't be overexerting you couldn't be overexerting she couldn't be overexerting we couldn't be overexerting you couldn't be overexerting they couldn't be overexerting
Perfect	V-ing perfect
I couldn't have overexerted you couldn't have overexerted she couldn't have overexerted we couldn't have overexerted you couldn't have overexerted they couldn't have overexerted	I couldn't have been overexerting you couldn't have been overexerting she couldn't have been overexerting we couldn't have been overexerting you couldn't have been overexerting they couldn't have been overexerting

Interrogative form

Simple form	V-ing form
could I overexert? could you overexert? could she overexert? could we overexert? could you overexert? could they overexert?	could I be overexerting? could you be overexerting? could she be overexerting? could we be overexerting? could you be overexerting? could they be overexerting?
Perfect	V-ing perfect
could I have overexerted? could you have overexerted? could she have overexerted? could we have overexerted? could you have overexerted? could they have overexerted?	could I have been overexerting? could you have been overexerting? could she have been overexerting? could we have been overexerting? could you have been overexerting? could they have been overexerting?

Interro-negative form

Simple form	V-ing form
couldn't I overexert? couldn't you overexert? couldn't she overexert? couldn't we overexert? couldn't you overexert? couldn't they overexert?	couldn't I be overexerting? couldn't you be overexerting? couldn't she be overexerting? couldn't we be overexerting? couldn't you be overexerting? couldn't they be overexerting?
Perfect	V-ing perfect
couldn't I have overexerted? couldn't you have overexerted? couldn't she have overexerted? couldn't we have overexerted? couldn't you have overexerted? couldn't they have overexerted?	couldn't I have been overexerting? couldn't you have been overexerting? couldn't she have been overexerting? couldn't we have been overexerting? couldn't you have been overexerting? couldn't they have been overexerting?