English verb conjugation
MUST STROLL

Regular verb: stroll - strolled - strolled

Affirmation

Simple form	V-ing form
I must stroll you must stroll he must stroll we must stroll you must stroll they must stroll	I must be strolling you must be strolling he must be strolling we must be strolling you must be strolling they must be strolling
Perfect	V-ing perfect
I must have strolled you must have strolled he must have strolled we must have strolled you must have strolled they must have strolled	I must have been strolling you must have been strolling he must have been strolling we must have been strolling you must have been strolling they must have been strolling

Negation

Simple form	V-ing form
I must not stroll you must not stroll he must not stroll we must not stroll you must not stroll they must not stroll	I must not be strolling you must not be strolling he must not be strolling we must not be strolling you must not be strolling they must not be strolling
Perfect	V-ing perfect
I must not have strolled you must not have strolled he must not have strolled we must not have strolled you must not have strolled they must not have strolled	I must not have been strolling you must not have been strolling he must not have been strolling we must not have been strolling you must not have been strolling they must not have been strolling

Interrogative form

Simple form	V-ing form
must I stroll? must you stroll? must he stroll? must we stroll? must you stroll? must they stroll?	must I be strolling? must you be strolling? must he be strolling? must we be strolling? must you be strolling? must they be strolling?
Perfect	V-ing perfect
must I have strolled? must you have strolled? must he have strolled? must we have strolled? must you have strolled? must they have strolled?	must I have been strolling? must you have been strolling? must he have been strolling? must we have been strolling? must you have been strolling? must they have been strolling?

Interro-negative form

Simple form	V-ing form
must I not stroll? must you not stroll? must he not stroll? must we not stroll? must you not stroll? must they not stroll?	must I not be strolling? must you not be strolling? must he not be strolling? must we not be strolling? must you not be strolling? must they not be strolling?
Perfect	V-ing perfect
must I not have strolled? must you not have strolled? must he not have strolled? must we not have strolled? must you not have strolled? must they not have strolled?	must I not have been strolling? must you not have been strolling? must he not have been strolling? must we not have been strolling? must you not have been strolling? must they not have been strolling?