English verb conjugation
COULD OVERABSTRACT

Regular verb: overabstract - overabstracted - overabstracted

Affirmation

Simple form	V-ing form
I could overabstract you could overabstract he could overabstract we could overabstract you could overabstract they could overabstract	I could be overabstracting you could be overabstracting he could be overabstracting we could be overabstracting you could be overabstracting they could be overabstracting
Perfect	V-ing perfect
I could have overabstracted you could have overabstracted he could have overabstracted we could have overabstracted you could have overabstracted they could have overabstracted	I could have been overabstracting you could have been overabstracting he could have been overabstracting we could have been overabstracting you could have been overabstracting they could have been overabstracting

Negation

Simple form	V-ing form
I couldn't overabstract you couldn't overabstract he couldn't overabstract we couldn't overabstract you couldn't overabstract they couldn't overabstract	I couldn't be overabstracting you couldn't be overabstracting he couldn't be overabstracting we couldn't be overabstracting you couldn't be overabstracting they couldn't be overabstracting
Perfect	V-ing perfect
I couldn't have overabstracted you couldn't have overabstracted he couldn't have overabstracted we couldn't have overabstracted you couldn't have overabstracted they couldn't have overabstracted	I couldn't have been overabstracting you couldn't have been overabstracting he couldn't have been overabstracting we couldn't have been overabstracting you couldn't have been overabstracting they couldn't have been overabstracting

Interrogative form

Simple form	V-ing form
could I overabstract? could you overabstract? could he overabstract? could we overabstract? could you overabstract? could they overabstract?	could I be overabstracting? could you be overabstracting? could he be overabstracting? could we be overabstracting? could you be overabstracting? could they be overabstracting?
Perfect	V-ing perfect
could I have overabstracted? could you have overabstracted? could he have overabstracted? could we have overabstracted? could you have overabstracted? could they have overabstracted?	could I have been overabstracting? could you have been overabstracting? could he have been overabstracting? could we have been overabstracting? could you have been overabstracting? could they have been overabstracting?

Interro-negative form

Simple form	V-ing form
couldn't I overabstract? couldn't you overabstract? couldn't he overabstract? couldn't we overabstract? couldn't you overabstract? couldn't they overabstract?	couldn't I be overabstracting? couldn't you be overabstracting? couldn't he be overabstracting? couldn't we be overabstracting? couldn't you be overabstracting? couldn't they be overabstracting?
Perfect	V-ing perfect
couldn't I have overabstracted? couldn't you have overabstracted? couldn't he have overabstracted? couldn't we have overabstracted? couldn't you have overabstracted? couldn't they have overabstracted?	couldn't I have been overabstracting? couldn't you have been overabstracting? couldn't he have been overabstracting? couldn't we have been overabstracting? couldn't you have been overabstracting? couldn't they have been overabstracting?