must ensure
Verbo regular: ensure - ensured- ensured

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must ensure
you must ensure
he must ensure
we must ensure
you must ensure
they must ensure 	I must be ensuring
you must be ensuring
he must be ensuring
we must be ensuring
you must be ensuring
they must be ensuring	I must have ensured
you must have ensured
he must have ensured
we must have ensured
you must have ensured
they must have ensured	I must have been ensuring
you must have been ensuring
he must have been ensuring
we must have been ensuring
you must have been ensuring
they must have been ensuring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not ensure
you must not ensure
he must not ensure
we must not ensure
you must not ensure
they must not ensure 	I must not be ensuring
you must not be ensuring
he must not be ensuring
we must not be ensuring
you must not be ensuring
they must not be ensuring	I must not have ensured
you must not have ensured
he must not have ensured
we must not have ensured
you must not have ensured
they must not have ensured	I must not have been ensuring
you must not have been ensuring
he must not have been ensuring
we must not have been ensuring
you must not have been ensuring
they must not have been ensuring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I ensure?
must you ensure?
must he ensure?
must we ensure?
must you ensure?
must they ensure? 	must I be ensuring?
must you be ensuring?
must he be ensuring?
must we be ensuring?
must you be ensuring?
must they be ensuring? 	must I have ensured?
must you have ensured?
must he have ensured?
must we have ensured?
must you have ensured?
must they have ensured? 	must I have been ensuring?
must you have been ensuring?
must he have been ensuring?
must we have been ensuring?
must you have been ensuring?
must they have been ensuring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not ensure?
must you not ensure?
must he not ensure?
must we not ensure?
must you not ensure?
must they not ensure? 	must I not be ensuring?
must you not be ensuring?
must he not be ensuring?
must we not be ensuring?
must you not be ensuring?
must they not be ensuring? 	must I not have ensured?
must you not have ensured?
must he not have ensured?
must we not have ensured?
must you not have ensured?
must they not have ensured? 	must I not have been ensuring?
must you not have been ensuring?
must he not have been ensuring?
must we not have been ensuring?
must you not have been ensuring?
must they not have been ensuring?