English verb conjugation
MUST FOWL

Regular verb: fowl - fowled - fowled

Affirmation

Simple form	V-ing form
I must fowl you must fowl he must fowl we must fowl you must fowl they must fowl	I must be fowling you must be fowling he must be fowling we must be fowling you must be fowling they must be fowling
Perfect	V-ing perfect
I must have fowled you must have fowled he must have fowled we must have fowled you must have fowled they must have fowled	I must have been fowling you must have been fowling he must have been fowling we must have been fowling you must have been fowling they must have been fowling

Negation

Simple form	V-ing form
I mustn't fowl you mustn't fowl he mustn't fowl we mustn't fowl you mustn't fowl they mustn't fowl	I mustn't be fowling you mustn't be fowling he mustn't be fowling we mustn't be fowling you mustn't be fowling they mustn't be fowling
Perfect	V-ing perfect
I mustn't have fowled you mustn't have fowled he mustn't have fowled we mustn't have fowled you mustn't have fowled they mustn't have fowled	I mustn't have been fowling you mustn't have been fowling he mustn't have been fowling we mustn't have been fowling you mustn't have been fowling they mustn't have been fowling

Interrogative form

Simple form	V-ing form
must I fowl? must you fowl? must he fowl? must we fowl? must you fowl? must they fowl?	must I be fowling? must you be fowling? must he be fowling? must we be fowling? must you be fowling? must they be fowling?
Perfect	V-ing perfect
must I have fowled? must you have fowled? must he have fowled? must we have fowled? must you have fowled? must they have fowled?	must I have been fowling? must you have been fowling? must he have been fowling? must we have been fowling? must you have been fowling? must they have been fowling?

Interro-negative form

Simple form	V-ing form
mustn't I fowl? mustn't you fowl? mustn't he fowl? mustn't we fowl? mustn't you fowl? mustn't they fowl?	mustn't I be fowling? mustn't you be fowling? mustn't he be fowling? mustn't we be fowling? mustn't you be fowling? mustn't they be fowling?
Perfect	V-ing perfect
mustn't I have fowled? mustn't you have fowled? mustn't he have fowled? mustn't we have fowled? mustn't you have fowled? mustn't they have fowled?	mustn't I have been fowling? mustn't you have been fowling? mustn't he have been fowling? mustn't we have been fowling? mustn't you have been fowling? mustn't they have been fowling?