English verb conjugation
SHOULD FLAP

Regular verb: flap - flapped - flapped

Affirmation

Simple form	V-ing form
I should flap you should flap he should flap we should flap you should flap they should flap	I should be flapping you should be flapping he should be flapping we should be flapping you should be flapping they should be flapping
Perfect	V-ing perfect
I should have flapped you should have flapped he should have flapped we should have flapped you should have flapped they should have flapped	I should have been flapping you should have been flapping he should have been flapping we should have been flapping you should have been flapping they should have been flapping

Negation

Simple form	V-ing form
I should not flap you should not flap he should not flap we should not flap you should not flap they should not flap	I should not be flapping you should not be flapping he should not be flapping we should not be flapping you should not be flapping they should not be flapping
Perfect	V-ing perfect
I should not have flapped you should not have flapped he should not have flapped we should not have flapped you should not have flapped they should not have flapped	I should not have been flapping you should not have been flapping he should not have been flapping we should not have been flapping you should not have been flapping they should not have been flapping

Interrogative form

Simple form	V-ing form
should I flap? should you flap? should he flap? should we flap? should you flap? should they flap?	should I be flapping? should you be flapping? should he be flapping? should we be flapping? should you be flapping? should they be flapping?
Perfect	V-ing perfect
should I have flapped? should you have flapped? should he have flapped? should we have flapped? should you have flapped? should they have flapped?	should I have been flapping? should you have been flapping? should he have been flapping? should we have been flapping? should you have been flapping? should they have been flapping?

Interro-negative form

Simple form	V-ing form
should I not flap? should you not flap? should he not flap? should we not flap? should you not flap? should they not flap?	should I not be flapping? should you not be flapping? should he not be flapping? should we not be flapping? should you not be flapping? should they not be flapping?
Perfect	V-ing perfect
should I not have flapped? should you not have flapped? should he not have flapped? should we not have flapped? should you not have flapped? should they not have flapped?	should I not have been flapping? should you not have been flapping? should he not have been flapping? should we not have been flapping? should you not have been flapping? should they not have been flapping?