must obtrude
Verbo regular: obtrude - obtruded- obtruded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not obtrude
you must not obtrude
he must not obtrude
we must not obtrude
you must not obtrude
they must not obtrude 	I must not be obtruding
you must not be obtruding
he must not be obtruding
we must not be obtruding
you must not be obtruding
they must not be obtruding	I must not have obtruded
you must not have obtruded
he must not have obtruded
we must not have obtruded
you must not have obtruded
they must not have obtruded	I must not have been obtruding
you must not have been obtruding
he must not have been obtruding
we must not have been obtruding
you must not have been obtruding
they must not have been obtruding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not obtrude?
must you not obtrude?
must he not obtrude?
must we not obtrude?
must you not obtrude?
must they not obtrude? 	must I not be obtruding?
must you not be obtruding?
must he not be obtruding?
must we not be obtruding?
must you not be obtruding?
must they not be obtruding? 	must I not have obtruded?
must you not have obtruded?
must he not have obtruded?
must we not have obtruded?
must you not have obtruded?
must they not have obtruded? 	must I not have been obtruding?
must you not have been obtruding?
must he not have been obtruding?
must we not have been obtruding?
must you not have been obtruding?
must they not have been obtruding?