must crash-land
Verbo regular: crash-land - crash-landed- crash-landed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must crash-land
you must crash-land
he must crash-land
we must crash-land
you must crash-land
they must crash-land 	I must be crash-landing
you must be crash-landing
he must be crash-landing
we must be crash-landing
you must be crash-landing
they must be crash-landing	I must have crash-landed
you must have crash-landed
he must have crash-landed
we must have crash-landed
you must have crash-landed
they must have crash-landed	I must have been crash-landing
you must have been crash-landing
he must have been crash-landing
we must have been crash-landing
you must have been crash-landing
they must have been crash-landing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not crash-land
you must not crash-land
he must not crash-land
we must not crash-land
you must not crash-land
they must not crash-land 	I must not be crash-landing
you must not be crash-landing
he must not be crash-landing
we must not be crash-landing
you must not be crash-landing
they must not be crash-landing	I must not have crash-landed
you must not have crash-landed
he must not have crash-landed
we must not have crash-landed
you must not have crash-landed
they must not have crash-landed	I must not have been crash-landing
you must not have been crash-landing
he must not have been crash-landing
we must not have been crash-landing
you must not have been crash-landing
they must not have been crash-landing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I crash-land?
must you crash-land?
must he crash-land?
must we crash-land?
must you crash-land?
must they crash-land? 	must I be crash-landing?
must you be crash-landing?
must he be crash-landing?
must we be crash-landing?
must you be crash-landing?
must they be crash-landing? 	must I have crash-landed?
must you have crash-landed?
must he have crash-landed?
must we have crash-landed?
must you have crash-landed?
must they have crash-landed? 	must I have been crash-landing?
must you have been crash-landing?
must he have been crash-landing?
must we have been crash-landing?
must you have been crash-landing?
must they have been crash-landing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not crash-land?
must you not crash-land?
must he not crash-land?
must we not crash-land?
must you not crash-land?
must they not crash-land? 	must I not be crash-landing?
must you not be crash-landing?
must he not be crash-landing?
must we not be crash-landing?
must you not be crash-landing?
must they not be crash-landing? 	must I not have crash-landed?
must you not have crash-landed?
must he not have crash-landed?
must we not have crash-landed?
must you not have crash-landed?
must they not have crash-landed? 	must I not have been crash-landing?
must you not have been crash-landing?
must he not have been crash-landing?
must we not have been crash-landing?
must you not have been crash-landing?
must they not have been crash-landing?