English verb conjugation
CAN PATROL

Regular verb: patrol - patrolled - patrolled

Affirmation

Simple form	V-ing form
I can patrol you can patrol he can patrol we can patrol you can patrol they can patrol	I can be patrolling you can be patrolling he can be patrolling we can be patrolling you can be patrolling they can be patrolling
Perfect	V-ing perfect
I can have patrolled you can have patrolled he can have patrolled we can have patrolled you can have patrolled they can have patrolled	I can have been patrolling you can have been patrolling he can have been patrolling we can have been patrolling you can have been patrolling they can have been patrolling

Negation

Simple form	V-ing form
I cannot patrol you cannot patrol he cannot patrol we cannot patrol you cannot patrol they cannot patrol	I cannot be patrolling you cannot be patrolling he cannot be patrolling we cannot be patrolling you cannot be patrolling they cannot be patrolling
Perfect	V-ing perfect
I cannot have patrolled you cannot have patrolled he cannot have patrolled we cannot have patrolled you cannot have patrolled they cannot have patrolled	I cannot have been patrolling you cannot have been patrolling he cannot have been patrolling we cannot have been patrolling you cannot have been patrolling they cannot have been patrolling

Interrogative form

Simple form	V-ing form
can I patrol? can you patrol? can he patrol? can we patrol? can you patrol? can they patrol?	can I be patrolling? can you be patrolling? can he be patrolling? can we be patrolling? can you be patrolling? can they be patrolling?
Perfect	V-ing perfect
can I have patrolled? can you have patrolled? can he have patrolled? can we have patrolled? can you have patrolled? can they have patrolled?	can I have been patrolling? can you have been patrolling? can he have been patrolling? can we have been patrolling? can you have been patrolling? can they have been patrolling?

Interro-negative form

Simple form	V-ing form
can I not patrol? can you not patrol? can he not patrol? can we not patrol? can you not patrol? can they not patrol?	can I not be patrolling? can you not be patrolling? can he not be patrolling? can we not be patrolling? can you not be patrolling? can they not be patrolling?
Perfect	V-ing perfect
can I not have patrolled? can you not have patrolled? can he not have patrolled? can we not have patrolled? can you not have patrolled? can they not have patrolled?	can I not have been patrolling? can you not have been patrolling? can he not have been patrolling? can we not have been patrolling? can you not have been patrolling? can they not have been patrolling?