English verb conjugation
MUST OBTRUDE

Regular verb: obtrude - obtruded - obtruded

Affirmation

Simple form	V-ing form
I must obtrude you must obtrude he must obtrude we must obtrude you must obtrude they must obtrude	I must be obtruding you must be obtruding he must be obtruding we must be obtruding you must be obtruding they must be obtruding
Perfect	V-ing perfect
I must have obtruded you must have obtruded he must have obtruded we must have obtruded you must have obtruded they must have obtruded	I must have been obtruding you must have been obtruding he must have been obtruding we must have been obtruding you must have been obtruding they must have been obtruding

Negation

Simple form	V-ing form
I mustn't obtrude you mustn't obtrude he mustn't obtrude we mustn't obtrude you mustn't obtrude they mustn't obtrude	I mustn't be obtruding you mustn't be obtruding he mustn't be obtruding we mustn't be obtruding you mustn't be obtruding they mustn't be obtruding
Perfect	V-ing perfect
I mustn't have obtruded you mustn't have obtruded he mustn't have obtruded we mustn't have obtruded you mustn't have obtruded they mustn't have obtruded	I mustn't have been obtruding you mustn't have been obtruding he mustn't have been obtruding we mustn't have been obtruding you mustn't have been obtruding they mustn't have been obtruding

Interrogative form

Simple form	V-ing form
must I obtrude? must you obtrude? must he obtrude? must we obtrude? must you obtrude? must they obtrude?	must I be obtruding? must you be obtruding? must he be obtruding? must we be obtruding? must you be obtruding? must they be obtruding?
Perfect	V-ing perfect
must I have obtruded? must you have obtruded? must he have obtruded? must we have obtruded? must you have obtruded? must they have obtruded?	must I have been obtruding? must you have been obtruding? must he have been obtruding? must we have been obtruding? must you have been obtruding? must they have been obtruding?

Interro-negative form

Simple form	V-ing form
mustn't I obtrude? mustn't you obtrude? mustn't he obtrude? mustn't we obtrude? mustn't you obtrude? mustn't they obtrude?	mustn't I be obtruding? mustn't you be obtruding? mustn't he be obtruding? mustn't we be obtruding? mustn't you be obtruding? mustn't they be obtruding?
Perfect	V-ing perfect
mustn't I have obtruded? mustn't you have obtruded? mustn't he have obtruded? mustn't we have obtruded? mustn't you have obtruded? mustn't they have obtruded?	mustn't I have been obtruding? mustn't you have been obtruding? mustn't he have been obtruding? mustn't we have been obtruding? mustn't you have been obtruding? mustn't they have been obtruding?