must oppose
Verbo regular: oppose - opposed- opposed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must oppose
you must oppose
he must oppose
we must oppose
you must oppose
they must oppose 	I must be opposing
you must be opposing
he must be opposing
we must be opposing
you must be opposing
they must be opposing	I must have opposed
you must have opposed
he must have opposed
we must have opposed
you must have opposed
they must have opposed	I must have been opposing
you must have been opposing
he must have been opposing
we must have been opposing
you must have been opposing
they must have been opposing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not oppose
you must not oppose
he must not oppose
we must not oppose
you must not oppose
they must not oppose 	I must not be opposing
you must not be opposing
he must not be opposing
we must not be opposing
you must not be opposing
they must not be opposing	I must not have opposed
you must not have opposed
he must not have opposed
we must not have opposed
you must not have opposed
they must not have opposed	I must not have been opposing
you must not have been opposing
he must not have been opposing
we must not have been opposing
you must not have been opposing
they must not have been opposing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I oppose?
must you oppose?
must he oppose?
must we oppose?
must you oppose?
must they oppose? 	must I be opposing?
must you be opposing?
must he be opposing?
must we be opposing?
must you be opposing?
must they be opposing? 	must I have opposed?
must you have opposed?
must he have opposed?
must we have opposed?
must you have opposed?
must they have opposed? 	must I have been opposing?
must you have been opposing?
must he have been opposing?
must we have been opposing?
must you have been opposing?
must they have been opposing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not oppose?
must you not oppose?
must he not oppose?
must we not oppose?
must you not oppose?
must they not oppose? 	must I not be opposing?
must you not be opposing?
must he not be opposing?
must we not be opposing?
must you not be opposing?
must they not be opposing? 	must I not have opposed?
must you not have opposed?
must he not have opposed?
must we not have opposed?
must you not have opposed?
must they not have opposed? 	must I not have been opposing?
must you not have been opposing?
must he not have been opposing?
must we not have been opposing?
must you not have been opposing?
must they not have been opposing?