English verb conjugation
MUST KNOLL

Regular verb: knoll - knolled - knolled

Affirmation

Simple form	V-ing form
I must knoll you must knoll he must knoll we must knoll you must knoll they must knoll	I must be knolling you must be knolling he must be knolling we must be knolling you must be knolling they must be knolling
Perfect	V-ing perfect
I must have knolled you must have knolled he must have knolled we must have knolled you must have knolled they must have knolled	I must have been knolling you must have been knolling he must have been knolling we must have been knolling you must have been knolling they must have been knolling

Negation

Simple form	V-ing form
I must not knoll you must not knoll he must not knoll we must not knoll you must not knoll they must not knoll	I must not be knolling you must not be knolling he must not be knolling we must not be knolling you must not be knolling they must not be knolling
Perfect	V-ing perfect
I must not have knolled you must not have knolled he must not have knolled we must not have knolled you must not have knolled they must not have knolled	I must not have been knolling you must not have been knolling he must not have been knolling we must not have been knolling you must not have been knolling they must not have been knolling

Interrogative form

Simple form	V-ing form
must I knoll? must you knoll? must he knoll? must we knoll? must you knoll? must they knoll?	must I be knolling? must you be knolling? must he be knolling? must we be knolling? must you be knolling? must they be knolling?
Perfect	V-ing perfect
must I have knolled? must you have knolled? must he have knolled? must we have knolled? must you have knolled? must they have knolled?	must I have been knolling? must you have been knolling? must he have been knolling? must we have been knolling? must you have been knolling? must they have been knolling?

Interro-negative form

Simple form	V-ing form
must I not knoll? must you not knoll? must he not knoll? must we not knoll? must you not knoll? must they not knoll?	must I not be knolling? must you not be knolling? must he not be knolling? must we not be knolling? must you not be knolling? must they not be knolling?
Perfect	V-ing perfect
must I not have knolled? must you not have knolled? must he not have knolled? must we not have knolled? must you not have knolled? must they not have knolled?	must I not have been knolling? must you not have been knolling? must he not have been knolling? must we not have been knolling? must you not have been knolling? must they not have been knolling?