English verb conjugation
SHOULD FLEE

Irregular verb: flee - fled - fled

Affirmation

Simple form	V-ing form
I'd flee you'd flee he'd flee we'd flee you'd flee they'd flee	I'd be fleeing you'd be fleeing he'd be fleeing we'd be fleeing you'd be fleeing they'd be fleeing
Perfect	V-ing perfect
I should've fled you should've fled he should've fled we should've fled you should've fled they should've fled	I should've been fleeing you should've been fleeing he should've been fleeing we should've been fleeing you should've been fleeing they should've been fleeing

Negation

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

Interrogative form

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

Interro-negative form

Simple form	V-ing form
shouldn't I flee? shouldn't you flee? shouldn't he flee? shouldn't we flee? shouldn't you flee? shouldn't they flee?	shouldn't I be fleeing? shouldn't you be fleeing? shouldn't he be fleeing? shouldn't we be fleeing? shouldn't you be fleeing? shouldn't they be fleeing?
Perfect	V-ing perfect
shouldn't I have fled? shouldn't you have fled? shouldn't he have fled? shouldn't we have fled? shouldn't you have fled? shouldn't they have fled?	shouldn't I have been fleeing? shouldn't you have been fleeing? shouldn't he have been fleeing? shouldn't we have been fleeing? shouldn't you have been fleeing? shouldn't they have been fleeing?