English verb conjugation
MUST OIL

Regular verb: oil - oiled - oiled

Affirmation

Simple form	V-ing form
I must oil you must oil she must oil we must oil you must oil they must oil	I must be oiling you must be oiling she must be oiling we must be oiling you must be oiling they must be oiling
Perfect	V-ing perfect
I must have oiled you must have oiled she must have oiled we must have oiled you must have oiled they must have oiled	I must have been oiling you must have been oiling she must have been oiling we must have been oiling you must have been oiling they must have been oiling

Negation

Simple form	V-ing form
I mustn't oil you mustn't oil she mustn't oil we mustn't oil you mustn't oil they mustn't oil	I mustn't be oiling you mustn't be oiling she mustn't be oiling we mustn't be oiling you mustn't be oiling they mustn't be oiling
Perfect	V-ing perfect
I mustn't have oiled you mustn't have oiled she mustn't have oiled we mustn't have oiled you mustn't have oiled they mustn't have oiled	I mustn't have been oiling you mustn't have been oiling she mustn't have been oiling we mustn't have been oiling you mustn't have been oiling they mustn't have been oiling

Interrogative form

Simple form	V-ing form
must I oil? must you oil? must she oil? must we oil? must you oil? must they oil?	must I be oiling? must you be oiling? must she be oiling? must we be oiling? must you be oiling? must they be oiling?
Perfect	V-ing perfect
must I have oiled? must you have oiled? must she have oiled? must we have oiled? must you have oiled? must they have oiled?	must I have been oiling? must you have been oiling? must she have been oiling? must we have been oiling? must you have been oiling? must they have been oiling?

Interro-negative form

Simple form	V-ing form
mustn't I oil? mustn't you oil? mustn't she oil? mustn't we oil? mustn't you oil? mustn't they oil?	mustn't I be oiling? mustn't you be oiling? mustn't she be oiling? mustn't we be oiling? mustn't you be oiling? mustn't they be oiling?
Perfect	V-ing perfect
mustn't I have oiled? mustn't you have oiled? mustn't she have oiled? mustn't we have oiled? mustn't you have oiled? mustn't they have oiled?	mustn't I have been oiling? mustn't you have been oiling? mustn't she have been oiling? mustn't we have been oiling? mustn't you have been oiling? mustn't they have been oiling?