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 can't demarcate you can't demarcate he can't demarcate we can't demarcate you can't demarcate they can't demarcate	I can't be demarcating you can't be demarcating he can't be demarcating we can't be demarcating you can't be demarcating they can't be demarcating
Perfect	V-ing perfect
I can't have demarcated you can't have demarcated he can't have demarcated we can't have demarcated you can't have demarcated they can't have demarcated	I can't have been demarcating you can't have been demarcating he can't have been demarcating we can't have been demarcating you can't have been demarcating they can't 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't I demarcate? can't you demarcate? can't he demarcate? can't we demarcate? can't you demarcate? can't they demarcate?	can't I be demarcating? can't you be demarcating? can't he be demarcating? can't we be demarcating? can't you be demarcating? can't they be demarcating?
Perfect	V-ing perfect
can't I have demarcated? can't you have demarcated? can't he have demarcated? can't we have demarcated? can't you have demarcated? can't they have demarcated?	can't I have been demarcating? can't you have been demarcating? can't he have been demarcating? can't we have been demarcating? can't you have been demarcating? can't they have been demarcating?