English verb conjugation
MUST FOCUS

Regular verb: focus - focused - focused

Affirmation

Simple form	V-ing form
I must focus you must focus he must focus we must focus you must focus they must focus	I must be focusing you must be focusing he must be focusing we must be focusing you must be focusing they must be focusing
Perfect	V-ing perfect
I must have focused you must have focused he must have focused we must have focused you must have focused they must have focused	I must have been focusing you must have been focusing he must have been focusing we must have been focusing you must have been focusing they must have been focusing

Negation

Simple form	V-ing form
I must not focus you must not focus he must not focus we must not focus you must not focus they must not focus	I must not be focusing you must not be focusing he must not be focusing we must not be focusing you must not be focusing they must not be focusing
Perfect	V-ing perfect
I must not have focused you must not have focused he must not have focused we must not have focused you must not have focused they must not have focused	I must not have been focusing you must not have been focusing he must not have been focusing we must not have been focusing you must not have been focusing they must not have been focusing

Interrogative form

Simple form	V-ing form
must I focus? must you focus? must he focus? must we focus? must you focus? must they focus?	must I be focusing? must you be focusing? must he be focusing? must we be focusing? must you be focusing? must they be focusing?
Perfect	V-ing perfect
must I have focused? must you have focused? must he have focused? must we have focused? must you have focused? must they have focused?	must I have been focusing? must you have been focusing? must he have been focusing? must we have been focusing? must you have been focusing? must they have been focusing?

Interro-negative form

Simple form	V-ing form
must I not focus? must you not focus? must he not focus? must we not focus? must you not focus? must they not focus?	must I not be focusing? must you not be focusing? must he not be focusing? must we not be focusing? must you not be focusing? must they not be focusing?
Perfect	V-ing perfect
must I not have focused? must you not have focused? must he not have focused? must we not have focused? must you not have focused? must they not have focused?	must I not have been focusing? must you not have been focusing? must he not have been focusing? must we not have been focusing? must you not have been focusing? must they not have been focusing?