English verb conjugation
COULD NECESSITATE

Regular verb: necessitate - necessitated - necessitated

Affirmation

Simple form	V-ing form
I could necessitate you could necessitate she could necessitate we could necessitate you could necessitate they could necessitate	I could be necessitating you could be necessitating she could be necessitating we could be necessitating you could be necessitating they could be necessitating
Perfect	V-ing perfect
I could have necessitated you could have necessitated she could have necessitated we could have necessitated you could have necessitated they could have necessitated	I could have been necessitating you could have been necessitating she could have been necessitating we could have been necessitating you could have been necessitating they could have been necessitating

Negation

Simple form	V-ing form
I couldn't necessitate you couldn't necessitate she couldn't necessitate we couldn't necessitate you couldn't necessitate they couldn't necessitate	I couldn't be necessitating you couldn't be necessitating she couldn't be necessitating we couldn't be necessitating you couldn't be necessitating they couldn't be necessitating
Perfect	V-ing perfect
I couldn't have necessitated you couldn't have necessitated she couldn't have necessitated we couldn't have necessitated you couldn't have necessitated they couldn't have necessitated	I couldn't have been necessitating you couldn't have been necessitating she couldn't have been necessitating we couldn't have been necessitating you couldn't have been necessitating they couldn't have been necessitating

Interrogative form

Simple form	V-ing form
could I necessitate? could you necessitate? could she necessitate? could we necessitate? could you necessitate? could they necessitate?	could I be necessitating? could you be necessitating? could she be necessitating? could we be necessitating? could you be necessitating? could they be necessitating?
Perfect	V-ing perfect
could I have necessitated? could you have necessitated? could she have necessitated? could we have necessitated? could you have necessitated? could they have necessitated?	could I have been necessitating? could you have been necessitating? could she have been necessitating? could we have been necessitating? could you have been necessitating? could they have been necessitating?

Interro-negative form

Simple form	V-ing form
couldn't I necessitate? couldn't you necessitate? couldn't she necessitate? couldn't we necessitate? couldn't you necessitate? couldn't they necessitate?	couldn't I be necessitating? couldn't you be necessitating? couldn't she be necessitating? couldn't we be necessitating? couldn't you be necessitating? couldn't they be necessitating?
Perfect	V-ing perfect
couldn't I have necessitated? couldn't you have necessitated? couldn't she have necessitated? couldn't we have necessitated? couldn't you have necessitated? couldn't they have necessitated?	couldn't I have been necessitating? couldn't you have been necessitating? couldn't she have been necessitating? couldn't we have been necessitating? couldn't you have been necessitating? couldn't they have been necessitating?