should tittup
Regular verb: tittup - tittuped- tittuped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should tittup
you should tittup
he should tittup
we should tittup
you should tittup
they should tittup 	I should be tittuping
you should be tittuping
he should be tittuping
we should be tittuping
you should be tittuping
they should be tittuping	I should have tittuped
you should have tittuped
he should have tittuped
we should have tittuped
you should have tittuped
they should have tittuped	I should have been tittuping
you should have been tittuping
he should have been tittuping
we should have been tittuping
you should have been tittuping
they should have been tittuping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not tittup
you should not tittup
he should not tittup
we should not tittup
you should not tittup
they should not tittup 	I should not be tittuping
you should not be tittuping
he should not be tittuping
we should not be tittuping
you should not be tittuping
they should not be tittuping	I should not have tittuped
you should not have tittuped
he should not have tittuped
we should not have tittuped
you should not have tittuped
they should not have tittuped	I should not have been tittuping
you should not have been tittuping
he should not have been tittuping
we should not have been tittuping
you should not have been tittuping
they should not have been tittuping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I tittup?
should you tittup?
should he tittup?
should we tittup?
should you tittup?
should they tittup? 	should I be tittuping?
should you be tittuping?
should he be tittuping?
should we be tittuping?
should you be tittuping?
should they be tittuping? 	should I have tittuped?
should you have tittuped?
should he have tittuped?
should we have tittuped?
should you have tittuped?
should they have tittuped? 	should I have been tittuping?
should you have been tittuping?
should he have been tittuping?
should we have been tittuping?
should you have been tittuping?
should they have been tittuping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not tittup?
should you not tittup?
should he not tittup?
should we not tittup?
should you not tittup?
should they not tittup? 	should I not be tittuping?
should you not be tittuping?
should he not be tittuping?
should we not be tittuping?
should you not be tittuping?
should they not be tittuping? 	should I not have tittuped?
should you not have tittuped?
should he not have tittuped?
should we not have tittuped?
should you not have tittuped?
should they not have tittuped? 	should I not have been tittuping?
should you not have been tittuping?
should he not have been tittuping?
should we not have been tittuping?
should you not have been tittuping?
should they not have been tittuping?