English verb conjugation
COULD OVERINFLATE

Regular verb: overinflate - overinflated - overinflated

Affirmation

Simple form	V-ing form
I could overinflate you could overinflate he could overinflate we could overinflate you could overinflate they could overinflate	I could be overinflating you could be overinflating he could be overinflating we could be overinflating you could be overinflating they could be overinflating
Perfect	V-ing perfect
I could have overinflated you could have overinflated he could have overinflated we could have overinflated you could have overinflated they could have overinflated	I could have been overinflating you could have been overinflating he could have been overinflating we could have been overinflating you could have been overinflating they could have been overinflating

Negation

Simple form	V-ing form
I couldn't overinflate you couldn't overinflate he couldn't overinflate we couldn't overinflate you couldn't overinflate they couldn't overinflate	I couldn't be overinflating you couldn't be overinflating he couldn't be overinflating we couldn't be overinflating you couldn't be overinflating they couldn't be overinflating
Perfect	V-ing perfect
I couldn't have overinflated you couldn't have overinflated he couldn't have overinflated we couldn't have overinflated you couldn't have overinflated they couldn't have overinflated	I couldn't have been overinflating you couldn't have been overinflating he couldn't have been overinflating we couldn't have been overinflating you couldn't have been overinflating they couldn't have been overinflating

Interrogative form

Simple form	V-ing form
could I overinflate? could you overinflate? could he overinflate? could we overinflate? could you overinflate? could they overinflate?	could I be overinflating? could you be overinflating? could he be overinflating? could we be overinflating? could you be overinflating? could they be overinflating?
Perfect	V-ing perfect
could I have overinflated? could you have overinflated? could he have overinflated? could we have overinflated? could you have overinflated? could they have overinflated?	could I have been overinflating? could you have been overinflating? could he have been overinflating? could we have been overinflating? could you have been overinflating? could they have been overinflating?

Interro-negative form

Simple form	V-ing form
couldn't I overinflate? couldn't you overinflate? couldn't he overinflate? couldn't we overinflate? couldn't you overinflate? couldn't they overinflate?	couldn't I be overinflating? couldn't you be overinflating? couldn't he be overinflating? couldn't we be overinflating? couldn't you be overinflating? couldn't they be overinflating?
Perfect	V-ing perfect
couldn't I have overinflated? couldn't you have overinflated? couldn't he have overinflated? couldn't we have overinflated? couldn't you have overinflated? couldn't they have overinflated?	couldn't I have been overinflating? couldn't you have been overinflating? couldn't he have been overinflating? couldn't we have been overinflating? couldn't you have been overinflating? couldn't they have been overinflating?