English verb conjugation
COULD SUBROGATE

Regular verb: subrogate - subrogated - subrogated

Affirmation

Simple form	V-ing form
I could subrogate you could subrogate he could subrogate we could subrogate you could subrogate they could subrogate	I could be subrogating you could be subrogating he could be subrogating we could be subrogating you could be subrogating they could be subrogating
Perfect	V-ing perfect
I could have subrogated you could have subrogated he could have subrogated we could have subrogated you could have subrogated they could have subrogated	I could have been subrogating you could have been subrogating he could have been subrogating we could have been subrogating you could have been subrogating they could have been subrogating

Negation

Simple form	V-ing form
I couldn't subrogate you couldn't subrogate he couldn't subrogate we couldn't subrogate you couldn't subrogate they couldn't subrogate	I couldn't be subrogating you couldn't be subrogating he couldn't be subrogating we couldn't be subrogating you couldn't be subrogating they couldn't be subrogating
Perfect	V-ing perfect
I couldn't have subrogated you couldn't have subrogated he couldn't have subrogated we couldn't have subrogated you couldn't have subrogated they couldn't have subrogated	I couldn't have been subrogating you couldn't have been subrogating he couldn't have been subrogating we couldn't have been subrogating you couldn't have been subrogating they couldn't have been subrogating

Interrogative form

Simple form	V-ing form
could I subrogate? could you subrogate? could he subrogate? could we subrogate? could you subrogate? could they subrogate?	could I be subrogating? could you be subrogating? could he be subrogating? could we be subrogating? could you be subrogating? could they be subrogating?
Perfect	V-ing perfect
could I have subrogated? could you have subrogated? could he have subrogated? could we have subrogated? could you have subrogated? could they have subrogated?	could I have been subrogating? could you have been subrogating? could he have been subrogating? could we have been subrogating? could you have been subrogating? could they have been subrogating?

Interro-negative form

Simple form	V-ing form
couldn't I subrogate? couldn't you subrogate? couldn't he subrogate? couldn't we subrogate? couldn't you subrogate? couldn't they subrogate?	couldn't I be subrogating? couldn't you be subrogating? couldn't he be subrogating? couldn't we be subrogating? couldn't you be subrogating? couldn't they be subrogating?
Perfect	V-ing perfect
couldn't I have subrogated? couldn't you have subrogated? couldn't he have subrogated? couldn't we have subrogated? couldn't you have subrogated? couldn't they have subrogated?	couldn't I have been subrogating? couldn't you have been subrogating? couldn't he have been subrogating? couldn't we have been subrogating? couldn't you have been subrogating? couldn't they have been subrogating?