should cowl
Regular verb: cowl - cowled- cowled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should cowl
you should cowl
he should cowl
we should cowl
you should cowl
they should cowl 	I should be cowling
you should be cowling
he should be cowling
we should be cowling
you should be cowling
they should be cowling	I should have cowled
you should have cowled
he should have cowled
we should have cowled
you should have cowled
they should have cowled	I should have been cowling
you should have been cowling
he should have been cowling
we should have been cowling
you should have been cowling
they should have been cowling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not cowl
you should not cowl
he should not cowl
we should not cowl
you should not cowl
they should not cowl 	I should not be cowling
you should not be cowling
he should not be cowling
we should not be cowling
you should not be cowling
they should not be cowling	I should not have cowled
you should not have cowled
he should not have cowled
we should not have cowled
you should not have cowled
they should not have cowled	I should not have been cowling
you should not have been cowling
he should not have been cowling
we should not have been cowling
you should not have been cowling
they should not have been cowling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I cowl?
should you cowl?
should he cowl?
should we cowl?
should you cowl?
should they cowl? 	should I be cowling?
should you be cowling?
should he be cowling?
should we be cowling?
should you be cowling?
should they be cowling? 	should I have cowled?
should you have cowled?
should he have cowled?
should we have cowled?
should you have cowled?
should they have cowled? 	should I have been cowling?
should you have been cowling?
should he have been cowling?
should we have been cowling?
should you have been cowling?
should they have been cowling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not cowl?
should you not cowl?
should he not cowl?
should we not cowl?
should you not cowl?
should they not cowl? 	should I not be cowling?
should you not be cowling?
should he not be cowling?
should we not be cowling?
should you not be cowling?
should they not be cowling? 	should I not have cowled?
should you not have cowled?
should he not have cowled?
should we not have cowled?
should you not have cowled?
should they not have cowled? 	should I not have been cowling?
should you not have been cowling?
should he not have been cowling?
should we not have been cowling?
should you not have been cowling?
should they not have been cowling?