must impact
Verbo regular: impact - impacted- impacted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must impact
you must impact
he must impact
we must impact
you must impact
they must impact 	I must be impacting
you must be impacting
he must be impacting
we must be impacting
you must be impacting
they must be impacting	I must have impacted
you must have impacted
he must have impacted
we must have impacted
you must have impacted
they must have impacted	I must have been impacting
you must have been impacting
he must have been impacting
we must have been impacting
you must have been impacting
they must have been impacting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not impact
you must not impact
he must not impact
we must not impact
you must not impact
they must not impact 	I must not be impacting
you must not be impacting
he must not be impacting
we must not be impacting
you must not be impacting
they must not be impacting	I must not have impacted
you must not have impacted
he must not have impacted
we must not have impacted
you must not have impacted
they must not have impacted	I must not have been impacting
you must not have been impacting
he must not have been impacting
we must not have been impacting
you must not have been impacting
they must not have been impacting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I impact?
must you impact?
must he impact?
must we impact?
must you impact?
must they impact? 	must I be impacting?
must you be impacting?
must he be impacting?
must we be impacting?
must you be impacting?
must they be impacting? 	must I have impacted?
must you have impacted?
must he have impacted?
must we have impacted?
must you have impacted?
must they have impacted? 	must I have been impacting?
must you have been impacting?
must he have been impacting?
must we have been impacting?
must you have been impacting?
must they have been impacting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not impact?
must you not impact?
must he not impact?
must we not impact?
must you not impact?
must they not impact? 	must I not be impacting?
must you not be impacting?
must he not be impacting?
must we not be impacting?
must you not be impacting?
must they not be impacting? 	must I not have impacted?
must you not have impacted?
must he not have impacted?
must we not have impacted?
must you not have impacted?
must they not have impacted? 	must I not have been impacting?
must you not have been impacting?
must he not have been impacting?
must we not have been impacting?
must you not have been impacting?
must they not have been impacting?