I can necessitate you can necessitate she can necessitate we can necessitate you can necessitate they can necessitate
V-ing form
I can be necessitating you can be necessitating she can be necessitating we can be necessitating you can be necessitating they can be necessitating
Perfect
I can have necessitated you can have necessitated she can have necessitated we can have necessitated you can have necessitated they can have necessitated
V-ing perfect
I can have been necessitating you can have been necessitating she can have been necessitating we can have been necessitating you can have been necessitating they can have been necessitating
Negation
Simple form
I cannot necessitate you cannot necessitate she cannot necessitate we cannot necessitate you cannot necessitate they cannot necessitate
V-ing form
I cannot be necessitating you cannot be necessitating she cannot be necessitating we cannot be necessitating you cannot be necessitating they cannot be necessitating
Perfect
I cannot have necessitated you cannot have necessitated she cannot have necessitated we cannot have necessitated you cannot have necessitated they cannot have necessitated
V-ing perfect
I cannot have been necessitating you cannot have been necessitating she cannot have been necessitating we cannot have been necessitating you cannot have been necessitating they cannot have been necessitating
Interrogative form
Simple form
can I necessitate? can you necessitate? can she necessitate? can we necessitate? can you necessitate? can they necessitate?
V-ing form
can I be necessitating? can you be necessitating? can she be necessitating? can we be necessitating? can you be necessitating? can they be necessitating?
Perfect
can I have necessitated? can you have necessitated? can she have necessitated? can we have necessitated? can you have necessitated? can they have necessitated?
V-ing perfect
can I have been necessitating? can you have been necessitating? can she have been necessitating? can we have been necessitating? can you have been necessitating? can they have been necessitating?
Interro-negative form
Simple form
can I not necessitate? can you not necessitate? can she not necessitate? can we not necessitate? can you not necessitate? can they not necessitate?
V-ing form
can I not be necessitating? can you not be necessitating? can she not be necessitating? can we not be necessitating? can you not be necessitating? can they not be necessitating?
Perfect
can I not have necessitated? can you not have necessitated? can she not have necessitated? can we not have necessitated? can you not have necessitated? can they not have necessitated?
V-ing perfect
can I not have been necessitating? can you not have been necessitating? can she not have been necessitating? can we not have been necessitating? can you not have been necessitating? can they not have been necessitating?