can trawl
Regular verb: trawl - trawled- trawled

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't trawl
you can't trawl
he can't trawl
we can't trawl
you can't trawl
they can't trawl 	I can't be trawling
you can't be trawling
he can't be trawling
we can't be trawling
you can't be trawling
they can't be trawling	I can't have trawled
you can't have trawled
he can't have trawled
we can't have trawled
you can't have trawled
they can't have trawled	I can't have been trawling
you can't have been trawling
he can't have been trawling
we can't have been trawling
you can't have been trawling
they can't have been trawling	

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

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