English verb conjugation
COULD OVERIMPRESS

Regular verb: overimpress - overimpressed - overimpressed

Affirmation

Simple form	V-ing form
I could overimpress you could overimpress he could overimpress we could overimpress you could overimpress they could overimpress	I could be overimpressing you could be overimpressing he could be overimpressing we could be overimpressing you could be overimpressing they could be overimpressing
Perfect	V-ing perfect
I could have overimpressed you could have overimpressed he could have overimpressed we could have overimpressed you could have overimpressed they could have overimpressed	I could have been overimpressing you could have been overimpressing he could have been overimpressing we could have been overimpressing you could have been overimpressing they could have been overimpressing

Negation

Simple form	V-ing form
I couldn't overimpress you couldn't overimpress he couldn't overimpress we couldn't overimpress you couldn't overimpress they couldn't overimpress	I couldn't be overimpressing you couldn't be overimpressing he couldn't be overimpressing we couldn't be overimpressing you couldn't be overimpressing they couldn't be overimpressing
Perfect	V-ing perfect
I couldn't have overimpressed you couldn't have overimpressed he couldn't have overimpressed we couldn't have overimpressed you couldn't have overimpressed they couldn't have overimpressed	I couldn't have been overimpressing you couldn't have been overimpressing he couldn't have been overimpressing we couldn't have been overimpressing you couldn't have been overimpressing they couldn't have been overimpressing

Interrogative form

Simple form	V-ing form
could I overimpress? could you overimpress? could he overimpress? could we overimpress? could you overimpress? could they overimpress?	could I be overimpressing? could you be overimpressing? could he be overimpressing? could we be overimpressing? could you be overimpressing? could they be overimpressing?
Perfect	V-ing perfect
could I have overimpressed? could you have overimpressed? could he have overimpressed? could we have overimpressed? could you have overimpressed? could they have overimpressed?	could I have been overimpressing? could you have been overimpressing? could he have been overimpressing? could we have been overimpressing? could you have been overimpressing? could they have been overimpressing?

Interro-negative form

Simple form	V-ing form
couldn't I overimpress? couldn't you overimpress? couldn't he overimpress? couldn't we overimpress? couldn't you overimpress? couldn't they overimpress?	couldn't I be overimpressing? couldn't you be overimpressing? couldn't he be overimpressing? couldn't we be overimpressing? couldn't you be overimpressing? couldn't they be overimpressing?
Perfect	V-ing perfect
couldn't I have overimpressed? couldn't you have overimpressed? couldn't he have overimpressed? couldn't we have overimpressed? couldn't you have overimpressed? couldn't they have overimpressed?	couldn't I have been overimpressing? couldn't you have been overimpressing? couldn't he have been overimpressing? couldn't we have been overimpressing? couldn't you have been overimpressing? couldn't they have been overimpressing?