English verb conjugation
MUST TRAWL

Regular verb: trawl - trawled - trawled

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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