English verb conjugation
CAN ROOT

Regular verb: root - rooted - rooted

Affirmation

Simple form	V-ing form
I can root you can root he can root we can root you can root they can root	I can be rooting you can be rooting he can be rooting we can be rooting you can be rooting they can be rooting
Perfect	V-ing perfect
I can have rooted you can have rooted he can have rooted we can have rooted you can have rooted they can have rooted	I can have been rooting you can have been rooting he can have been rooting we can have been rooting you can have been rooting they can have been rooting

Negation

Simple form	V-ing form
I cannot root you cannot root he cannot root we cannot root you cannot root they cannot root	I cannot be rooting you cannot be rooting he cannot be rooting we cannot be rooting you cannot be rooting they cannot be rooting
Perfect	V-ing perfect
I cannot have rooted you cannot have rooted he cannot have rooted we cannot have rooted you cannot have rooted they cannot have rooted	I cannot have been rooting you cannot have been rooting he cannot have been rooting we cannot have been rooting you cannot have been rooting they cannot have been rooting

Interrogative form

Simple form	V-ing form
can I root? can you root? can he root? can we root? can you root? can they root?	can I be rooting? can you be rooting? can he be rooting? can we be rooting? can you be rooting? can they be rooting?
Perfect	V-ing perfect
can I have rooted? can you have rooted? can he have rooted? can we have rooted? can you have rooted? can they have rooted?	can I have been rooting? can you have been rooting? can he have been rooting? can we have been rooting? can you have been rooting? can they have been rooting?

Interro-negative form

Simple form	V-ing form
can I not root? can you not root? can he not root? can we not root? can you not root? can they not root?	can I not be rooting? can you not be rooting? can he not be rooting? can we not be rooting? can you not be rooting? can they not be rooting?
Perfect	V-ing perfect
can I not have rooted? can you not have rooted? can he not have rooted? can we not have rooted? can you not have rooted? can they not have rooted?	can I not have been rooting? can you not have been rooting? can he not have been rooting? can we not have been rooting? can you not have been rooting? can they not have been rooting?