English verb conjugation
COULD SURROGATE

Regular verb: surrogate - surrogated - surrogated

Affirmation

Simple form	V-ing form
I could surrogate you could surrogate he could surrogate we could surrogate you could surrogate they could surrogate	I could be surrogating you could be surrogating he could be surrogating we could be surrogating you could be surrogating they could be surrogating
Perfect	V-ing perfect
I could have surrogated you could have surrogated he could have surrogated we could have surrogated you could have surrogated they could have surrogated	I could have been surrogating you could have been surrogating he could have been surrogating we could have been surrogating you could have been surrogating they could have been surrogating

Negation

Simple form	V-ing form
I couldn't surrogate you couldn't surrogate he couldn't surrogate we couldn't surrogate you couldn't surrogate they couldn't surrogate	I couldn't be surrogating you couldn't be surrogating he couldn't be surrogating we couldn't be surrogating you couldn't be surrogating they couldn't be surrogating
Perfect	V-ing perfect
I couldn't have surrogated you couldn't have surrogated he couldn't have surrogated we couldn't have surrogated you couldn't have surrogated they couldn't have surrogated	I couldn't have been surrogating you couldn't have been surrogating he couldn't have been surrogating we couldn't have been surrogating you couldn't have been surrogating they couldn't have been surrogating

Interrogative form

Simple form	V-ing form
could I surrogate? could you surrogate? could he surrogate? could we surrogate? could you surrogate? could they surrogate?	could I be surrogating? could you be surrogating? could he be surrogating? could we be surrogating? could you be surrogating? could they be surrogating?
Perfect	V-ing perfect
could I have surrogated? could you have surrogated? could he have surrogated? could we have surrogated? could you have surrogated? could they have surrogated?	could I have been surrogating? could you have been surrogating? could he have been surrogating? could we have been surrogating? could you have been surrogating? could they have been surrogating?

Interro-negative form

Simple form	V-ing form
couldn't I surrogate? couldn't you surrogate? couldn't he surrogate? couldn't we surrogate? couldn't you surrogate? couldn't they surrogate?	couldn't I be surrogating? couldn't you be surrogating? couldn't he be surrogating? couldn't we be surrogating? couldn't you be surrogating? couldn't they be surrogating?
Perfect	V-ing perfect
couldn't I have surrogated? couldn't you have surrogated? couldn't he have surrogated? couldn't we have surrogated? couldn't you have surrogated? couldn't they have surrogated?	couldn't I have been surrogating? couldn't you have been surrogating? couldn't he have been surrogating? couldn't we have been surrogating? couldn't you have been surrogating? couldn't they have been surrogating?