English verb conjugation
CAN DEMARCATE

Regular verb: demarcate - demarcated - demarcated

Affirmation

Simple form	V-ing form
I can demarcate you can demarcate he can demarcate we can demarcate you can demarcate they can demarcate	I can be demarcating you can be demarcating he can be demarcating we can be demarcating you can be demarcating they can be demarcating
Perfect	V-ing perfect
I can have demarcated you can have demarcated he can have demarcated we can have demarcated you can have demarcated they can have demarcated	I can have been demarcating you can have been demarcating he can have been demarcating we can have been demarcating you can have been demarcating they can have been demarcating

Negation

Simple form	V-ing form
I cannot demarcate you cannot demarcate he cannot demarcate we cannot demarcate you cannot demarcate they cannot demarcate	I cannot be demarcating you cannot be demarcating he cannot be demarcating we cannot be demarcating you cannot be demarcating they cannot be demarcating
Perfect	V-ing perfect
I cannot have demarcated you cannot have demarcated he cannot have demarcated we cannot have demarcated you cannot have demarcated they cannot have demarcated	I cannot have been demarcating you cannot have been demarcating he cannot have been demarcating we cannot have been demarcating you cannot have been demarcating they cannot have been demarcating

Interrogative form

Simple form	V-ing form
can I demarcate? can you demarcate? can he demarcate? can we demarcate? can you demarcate? can they demarcate?	can I be demarcating? can you be demarcating? can he be demarcating? can we be demarcating? can you be demarcating? can they be demarcating?
Perfect	V-ing perfect
can I have demarcated? can you have demarcated? can he have demarcated? can we have demarcated? can you have demarcated? can they have demarcated?	can I have been demarcating? can you have been demarcating? can he have been demarcating? can we have been demarcating? can you have been demarcating? can they have been demarcating?

Interro-negative form

Simple form	V-ing form
can I not demarcate? can you not demarcate? can he not demarcate? can we not demarcate? can you not demarcate? can they not demarcate?	can I not be demarcating? can you not be demarcating? can he not be demarcating? can we not be demarcating? can you not be demarcating? can they not be demarcating?
Perfect	V-ing perfect
can I not have demarcated? can you not have demarcated? can he not have demarcated? can we not have demarcated? can you not have demarcated? can they not have demarcated?	can I not have been demarcating? can you not have been demarcating? can he not have been demarcating? can we not have been demarcating? can you not have been demarcating? can they not have been demarcating?