should trawl
Regular verb: trawl - trawled- trawled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should trawl
you should trawl
he should trawl
we should trawl
you should trawl
they should trawl 	I should be trawling
you should be trawling
he should be trawling
we should be trawling
you should be trawling
they should be trawling	I should have trawled
you should have trawled
he should have trawled
we should have trawled
you should have trawled
they should have trawled	I should have been trawling
you should have been trawling
he should have been trawling
we should have been trawling
you should have been trawling
they should have been trawling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not trawl
you should not trawl
he should not trawl
we should not trawl
you should not trawl
they should not trawl 	I should not be trawling
you should not be trawling
he should not be trawling
we should not be trawling
you should not be trawling
they should not be trawling	I should not have trawled
you should not have trawled
he should not have trawled
we should not have trawled
you should not have trawled
they should not have trawled	I should not have been trawling
you should not have been trawling
he should not have been trawling
we should not have been trawling
you should not have been trawling
they should not have been trawling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I trawl?
should you trawl?
should he trawl?
should we trawl?
should you trawl?
should they trawl? 	should I be trawling?
should you be trawling?
should he be trawling?
should we be trawling?
should you be trawling?
should they be trawling? 	should I have trawled?
should you have trawled?
should he have trawled?
should we have trawled?
should you have trawled?
should they have trawled? 	should I have been trawling?
should you have been trawling?
should he have been trawling?
should we have been trawling?
should you have been trawling?
should they have been trawling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not trawl?
should you not trawl?
should he not trawl?
should we not trawl?
should you not trawl?
should they not trawl? 	should I not be trawling?
should you not be trawling?
should he not be trawling?
should we not be trawling?
should you not be trawling?
should they not be trawling? 	should I not have trawled?
should you not have trawled?
should he not have trawled?
should we not have trawled?
should you not have trawled?
should they not have trawled? 	should I not have been trawling?
should you not have been trawling?
should he not have been trawling?
should we not have been trawling?
should you not have been trawling?
should they not have been trawling?