English verb conjugation
COULD REOPERATE

Regular verb: reoperate - reoperated - reoperated

Affirmation

Simple form	V-ing form
I could reoperate you could reoperate he could reoperate we could reoperate you could reoperate they could reoperate	I could be reoperating you could be reoperating he could be reoperating we could be reoperating you could be reoperating they could be reoperating
Perfect	V-ing perfect
I could have reoperated you could have reoperated he could have reoperated we could have reoperated you could have reoperated they could have reoperated	I could have been reoperating you could have been reoperating he could have been reoperating we could have been reoperating you could have been reoperating they could have been reoperating

Negation

Simple form	V-ing form
I couldn't reoperate you couldn't reoperate he couldn't reoperate we couldn't reoperate you couldn't reoperate they couldn't reoperate	I couldn't be reoperating you couldn't be reoperating he couldn't be reoperating we couldn't be reoperating you couldn't be reoperating they couldn't be reoperating
Perfect	V-ing perfect
I couldn't have reoperated you couldn't have reoperated he couldn't have reoperated we couldn't have reoperated you couldn't have reoperated they couldn't have reoperated	I couldn't have been reoperating you couldn't have been reoperating he couldn't have been reoperating we couldn't have been reoperating you couldn't have been reoperating they couldn't have been reoperating

Interrogative form

Simple form	V-ing form
could I reoperate? could you reoperate? could he reoperate? could we reoperate? could you reoperate? could they reoperate?	could I be reoperating? could you be reoperating? could he be reoperating? could we be reoperating? could you be reoperating? could they be reoperating?
Perfect	V-ing perfect
could I have reoperated? could you have reoperated? could he have reoperated? could we have reoperated? could you have reoperated? could they have reoperated?	could I have been reoperating? could you have been reoperating? could he have been reoperating? could we have been reoperating? could you have been reoperating? could they have been reoperating?

Interro-negative form

Simple form	V-ing form
couldn't I reoperate? couldn't you reoperate? couldn't he reoperate? couldn't we reoperate? couldn't you reoperate? couldn't they reoperate?	couldn't I be reoperating? couldn't you be reoperating? couldn't he be reoperating? couldn't we be reoperating? couldn't you be reoperating? couldn't they be reoperating?
Perfect	V-ing perfect
couldn't I have reoperated? couldn't you have reoperated? couldn't he have reoperated? couldn't we have reoperated? couldn't you have reoperated? couldn't they have reoperated?	couldn't I have been reoperating? couldn't you have been reoperating? couldn't he have been reoperating? couldn't we have been reoperating? couldn't you have been reoperating? couldn't they have been reoperating?