English verb conjugation
COULD OVERINVEST

Regular verb: overinvest - overinvested - overinvested

Affirmation

Simple form	V-ing form
I could overinvest you could overinvest she could overinvest we could overinvest you could overinvest they could overinvest	I could be overinvesting you could be overinvesting she could be overinvesting we could be overinvesting you could be overinvesting they could be overinvesting
Perfect	V-ing perfect
I could have overinvested you could have overinvested she could have overinvested we could have overinvested you could have overinvested they could have overinvested	I could have been overinvesting you could have been overinvesting she could have been overinvesting we could have been overinvesting you could have been overinvesting they could have been overinvesting

Negation

Simple form	V-ing form
I couldn't overinvest you couldn't overinvest she couldn't overinvest we couldn't overinvest you couldn't overinvest they couldn't overinvest	I couldn't be overinvesting you couldn't be overinvesting she couldn't be overinvesting we couldn't be overinvesting you couldn't be overinvesting they couldn't be overinvesting
Perfect	V-ing perfect
I couldn't have overinvested you couldn't have overinvested she couldn't have overinvested we couldn't have overinvested you couldn't have overinvested they couldn't have overinvested	I couldn't have been overinvesting you couldn't have been overinvesting she couldn't have been overinvesting we couldn't have been overinvesting you couldn't have been overinvesting they couldn't have been overinvesting

Interrogative form

Simple form	V-ing form
could I overinvest? could you overinvest? could she overinvest? could we overinvest? could you overinvest? could they overinvest?	could I be overinvesting? could you be overinvesting? could she be overinvesting? could we be overinvesting? could you be overinvesting? could they be overinvesting?
Perfect	V-ing perfect
could I have overinvested? could you have overinvested? could she have overinvested? could we have overinvested? could you have overinvested? could they have overinvested?	could I have been overinvesting? could you have been overinvesting? could she have been overinvesting? could we have been overinvesting? could you have been overinvesting? could they have been overinvesting?

Interro-negative form

Simple form	V-ing form
couldn't I overinvest? couldn't you overinvest? couldn't she overinvest? couldn't we overinvest? couldn't you overinvest? couldn't they overinvest?	couldn't I be overinvesting? couldn't you be overinvesting? couldn't she be overinvesting? couldn't we be overinvesting? couldn't you be overinvesting? couldn't they be overinvesting?
Perfect	V-ing perfect
couldn't I have overinvested? couldn't you have overinvested? couldn't she have overinvested? couldn't we have overinvested? couldn't you have overinvested? couldn't they have overinvested?	couldn't I have been overinvesting? couldn't you have been overinvesting? couldn't she have been overinvesting? couldn't we have been overinvesting? couldn't you have been overinvesting? couldn't they have been overinvesting?