must combat
Verbo regular: combat - combated- combated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must combat
you must combat
he must combat
we must combat
you must combat
they must combat 	I must be combating
you must be combating
he must be combating
we must be combating
you must be combating
they must be combating	I must have combated
you must have combated
he must have combated
we must have combated
you must have combated
they must have combated	I must have been combating
you must have been combating
he must have been combating
we must have been combating
you must have been combating
they must have been combating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not combat
you must not combat
he must not combat
we must not combat
you must not combat
they must not combat 	I must not be combating
you must not be combating
he must not be combating
we must not be combating
you must not be combating
they must not be combating	I must not have combated
you must not have combated
he must not have combated
we must not have combated
you must not have combated
they must not have combated	I must not have been combating
you must not have been combating
he must not have been combating
we must not have been combating
you must not have been combating
they must not have been combating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I combat?
must you combat?
must he combat?
must we combat?
must you combat?
must they combat? 	must I be combating?
must you be combating?
must he be combating?
must we be combating?
must you be combating?
must they be combating? 	must I have combated?
must you have combated?
must he have combated?
must we have combated?
must you have combated?
must they have combated? 	must I have been combating?
must you have been combating?
must he have been combating?
must we have been combating?
must you have been combating?
must they have been combating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not combat?
must you not combat?
must he not combat?
must we not combat?
must you not combat?
must they not combat? 	must I not be combating?
must you not be combating?
must he not be combating?
must we not be combating?
must you not be combating?
must they not be combating? 	must I not have combated?
must you not have combated?
must he not have combated?
must we not have combated?
must you not have combated?
must they not have combated? 	must I not have been combating?
must you not have been combating?
must he not have been combating?
must we not have been combating?
must you not have been combating?
must they not have been combating?