English verb conjugation
MUST PROWL

Regular verb: prowl - prowled - prowled

Affirmation

Simple form	V-ing form
I must prowl you must prowl he must prowl we must prowl you must prowl they must prowl	I must be prowling you must be prowling he must be prowling we must be prowling you must be prowling they must be prowling
Perfect	V-ing perfect
I must have prowled you must have prowled he must have prowled we must have prowled you must have prowled they must have prowled	I must have been prowling you must have been prowling he must have been prowling we must have been prowling you must have been prowling they must have been prowling

Negation

Simple form	V-ing form
I mustn't prowl you mustn't prowl he mustn't prowl we mustn't prowl you mustn't prowl they mustn't prowl	I mustn't be prowling you mustn't be prowling he mustn't be prowling we mustn't be prowling you mustn't be prowling they mustn't be prowling
Perfect	V-ing perfect
I mustn't have prowled you mustn't have prowled he mustn't have prowled we mustn't have prowled you mustn't have prowled they mustn't have prowled	I mustn't have been prowling you mustn't have been prowling he mustn't have been prowling we mustn't have been prowling you mustn't have been prowling they mustn't have been prowling

Interrogative form

Simple form	V-ing form
must I prowl? must you prowl? must he prowl? must we prowl? must you prowl? must they prowl?	must I be prowling? must you be prowling? must he be prowling? must we be prowling? must you be prowling? must they be prowling?
Perfect	V-ing perfect
must I have prowled? must you have prowled? must he have prowled? must we have prowled? must you have prowled? must they have prowled?	must I have been prowling? must you have been prowling? must he have been prowling? must we have been prowling? must you have been prowling? must they have been prowling?

Interro-negative form

Simple form	V-ing form
mustn't I prowl? mustn't you prowl? mustn't he prowl? mustn't we prowl? mustn't you prowl? mustn't they prowl?	mustn't I be prowling? mustn't you be prowling? mustn't he be prowling? mustn't we be prowling? mustn't you be prowling? mustn't they be prowling?
Perfect	V-ing perfect
mustn't I have prowled? mustn't you have prowled? mustn't he have prowled? mustn't we have prowled? mustn't you have prowled? mustn't they have prowled?	mustn't I have been prowling? mustn't you have been prowling? mustn't he have been prowling? mustn't we have been prowling? mustn't you have been prowling? mustn't they have been prowling?