English verb conjugation
COULD TRAWL

Regular verb: trawl - trawled - trawled

Affirmation

Simple form	V-ing form
I could trawl you could trawl she could trawl we could trawl you could trawl they could trawl	I could be trawling you could be trawling she could be trawling we could be trawling you could be trawling they could be trawling
Perfect	V-ing perfect
I could have trawled you could have trawled she could have trawled we could have trawled you could have trawled they could have trawled	I could have been trawling you could have been trawling she could have been trawling we could have been trawling you could have been trawling they could have been trawling

Negation

Simple form	V-ing form
I could not trawl you could not trawl she could not trawl we could not trawl you could not trawl they could not trawl	I could not be trawling you could not be trawling she could not be trawling we could not be trawling you could not be trawling they could not be trawling
Perfect	V-ing perfect
I could not have trawled you could not have trawled she could not have trawled we could not have trawled you could not have trawled they could not have trawled	I could not have been trawling you could not have been trawling she could not have been trawling we could not have been trawling you could not have been trawling they could not have been trawling

Interrogative form

Simple form	V-ing form
could I trawl? could you trawl? could she trawl? could we trawl? could you trawl? could they trawl?	could I be trawling? could you be trawling? could she be trawling? could we be trawling? could you be trawling? could they be trawling?
Perfect	V-ing perfect
could I have trawled? could you have trawled? could she have trawled? could we have trawled? could you have trawled? could they have trawled?	could I have been trawling? could you have been trawling? could she have been trawling? could we have been trawling? could you have been trawling? could they have been trawling?

Interro-negative form

Simple form	V-ing form
could I not trawl? could you not trawl? could she not trawl? could we not trawl? could you not trawl? could they not trawl?	could I not be trawling? could you not be trawling? could she not be trawling? could we not be trawling? could you not be trawling? could they not be trawling?
Perfect	V-ing perfect
could I not have trawled? could you not have trawled? could she not have trawled? could we not have trawled? could you not have trawled? could they not have trawled?	could I not have been trawling? could you not have been trawling? could she not have been trawling? could we not have been trawling? could you not have been trawling? could they not have been trawling?