English verb conjugation
CAN FLEE

Irregular verb: flee - fled - fled

Affirmation

Simple form	V-ing form
I can flee you can flee he can flee we can flee you can flee they can flee	I can be fleeing you can be fleeing he can be fleeing we can be fleeing you can be fleeing they can be fleeing
Perfect	V-ing perfect
I can have fled you can have fled he can have fled we can have fled you can have fled they can have fled	I can have been fleeing you can have been fleeing he can have been fleeing we can have been fleeing you can have been fleeing they can have been fleeing

Negation

Simple form	V-ing form
I cannot flee you cannot flee he cannot flee we cannot flee you cannot flee they cannot flee	I cannot be fleeing you cannot be fleeing he cannot be fleeing we cannot be fleeing you cannot be fleeing they cannot be fleeing
Perfect	V-ing perfect
I cannot have fled you cannot have fled he cannot have fled we cannot have fled you cannot have fled they cannot have fled	I cannot have been fleeing you cannot have been fleeing he cannot have been fleeing we cannot have been fleeing you cannot have been fleeing they cannot have been fleeing

Interrogative form

Simple form	V-ing form
can I flee? can you flee? can he flee? can we flee? can you flee? can they flee?	can I be fleeing? can you be fleeing? can he be fleeing? can we be fleeing? can you be fleeing? can they be fleeing?
Perfect	V-ing perfect
can I have fled? can you have fled? can he have fled? can we have fled? can you have fled? can they have fled?	can I have been fleeing? can you have been fleeing? can he have been fleeing? can we have been fleeing? can you have been fleeing? can they have been fleeing?

Interro-negative form

Simple form	V-ing form
can I not flee? can you not flee? can he not flee? can we not flee? can you not flee? can they not flee?	can I not be fleeing? can you not be fleeing? can he not be fleeing? can we not be fleeing? can you not be fleeing? can they not be fleeing?
Perfect	V-ing perfect
can I not have fled? can you not have fled? can he not have fled? can we not have fled? can you not have fled? can they not have fled?	can I not have been fleeing? can you not have been fleeing? can he not have been fleeing? can we not have been fleeing? can you not have been fleeing? can they not have been fleeing?