English verb conjugation
MUST MARL

Regular verb: marl - marled - marled

Affirmation

Simple form	V-ing form
I must marl you must marl he must marl we must marl you must marl they must marl	I must be marling you must be marling he must be marling we must be marling you must be marling they must be marling
Perfect	V-ing perfect
I must have marled you must have marled he must have marled we must have marled you must have marled they must have marled	I must have been marling you must have been marling he must have been marling we must have been marling you must have been marling they must have been marling

Negation

Simple form	V-ing form
I must not marl you must not marl he must not marl we must not marl you must not marl they must not marl	I must not be marling you must not be marling he must not be marling we must not be marling you must not be marling they must not be marling
Perfect	V-ing perfect
I must not have marled you must not have marled he must not have marled we must not have marled you must not have marled they must not have marled	I must not have been marling you must not have been marling he must not have been marling we must not have been marling you must not have been marling they must not have been marling

Interrogative form

Simple form	V-ing form
must I marl? must you marl? must he marl? must we marl? must you marl? must they marl?	must I be marling? must you be marling? must he be marling? must we be marling? must you be marling? must they be marling?
Perfect	V-ing perfect
must I have marled? must you have marled? must he have marled? must we have marled? must you have marled? must they have marled?	must I have been marling? must you have been marling? must he have been marling? must we have been marling? must you have been marling? must they have been marling?

Interro-negative form

Simple form	V-ing form
must I not marl? must you not marl? must he not marl? must we not marl? must you not marl? must they not marl?	must I not be marling? must you not be marling? must he not be marling? must we not be marling? must you not be marling? must they not be marling?
Perfect	V-ing perfect
must I not have marled? must you not have marled? must he not have marled? must we not have marled? must you not have marled? must they not have marled?	must I not have been marling? must you not have been marling? must he not have been marling? must we not have been marling? must you not have been marling? must they not have been marling?