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 can't root you can't root he can't root we can't root you can't root they can't root	I can't be rooting you can't be rooting he can't be rooting we can't be rooting you can't be rooting they can't be rooting
Perfect	V-ing perfect
I can't have rooted you can't have rooted he can't have rooted we can't have rooted you can't have rooted they can't have rooted	I can't have been rooting you can't have been rooting he can't have been rooting we can't have been rooting you can't have been rooting they can't 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't I root? can't you root? can't he root? can't we root? can't you root? can't they root?	can't I be rooting? can't you be rooting? can't he be rooting? can't we be rooting? can't you be rooting? can't they be rooting?
Perfect	V-ing perfect
can't I have rooted? can't you have rooted? can't he have rooted? can't we have rooted? can't you have rooted? can't they have rooted?	can't I have been rooting? can't you have been rooting? can't he have been rooting? can't we have been rooting? can't you have been rooting? can't they have been rooting?