should backflip
Regular verb: backflip - backfliped- backfliped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should backflip
you should backflip
he should backflip
we should backflip
you should backflip
they should backflip 	I should be backfliping
you should be backfliping
he should be backfliping
we should be backfliping
you should be backfliping
they should be backfliping	I should have backfliped
you should have backfliped
he should have backfliped
we should have backfliped
you should have backfliped
they should have backfliped	I should have been backfliping
you should have been backfliping
he should have been backfliping
we should have been backfliping
you should have been backfliping
they should have been backfliping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not backflip
you should not backflip
he should not backflip
we should not backflip
you should not backflip
they should not backflip 	I should not be backfliping
you should not be backfliping
he should not be backfliping
we should not be backfliping
you should not be backfliping
they should not be backfliping	I should not have backfliped
you should not have backfliped
he should not have backfliped
we should not have backfliped
you should not have backfliped
they should not have backfliped	I should not have been backfliping
you should not have been backfliping
he should not have been backfliping
we should not have been backfliping
you should not have been backfliping
they should not have been backfliping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I backflip?
should you backflip?
should he backflip?
should we backflip?
should you backflip?
should they backflip? 	should I be backfliping?
should you be backfliping?
should he be backfliping?
should we be backfliping?
should you be backfliping?
should they be backfliping? 	should I have backfliped?
should you have backfliped?
should he have backfliped?
should we have backfliped?
should you have backfliped?
should they have backfliped? 	should I have been backfliping?
should you have been backfliping?
should he have been backfliping?
should we have been backfliping?
should you have been backfliping?
should they have been backfliping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not backflip?
should you not backflip?
should he not backflip?
should we not backflip?
should you not backflip?
should they not backflip? 	should I not be backfliping?
should you not be backfliping?
should he not be backfliping?
should we not be backfliping?
should you not be backfliping?
should they not be backfliping? 	should I not have backfliped?
should you not have backfliped?
should he not have backfliped?
should we not have backfliped?
should you not have backfliped?
should they not have backfliped? 	should I not have been backfliping?
should you not have been backfliping?
should he not have been backfliping?
should we not have been backfliping?
should you not have been backfliping?
should they not have been backfliping?