must impose
Verbo regular: impose - imposed- imposed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must impose
you must impose
he must impose
we must impose
you must impose
they must impose 	I must be imposing
you must be imposing
he must be imposing
we must be imposing
you must be imposing
they must be imposing	I must have imposed
you must have imposed
he must have imposed
we must have imposed
you must have imposed
they must have imposed	I must have been imposing
you must have been imposing
he must have been imposing
we must have been imposing
you must have been imposing
they must have been imposing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not impose
you must not impose
he must not impose
we must not impose
you must not impose
they must not impose 	I must not be imposing
you must not be imposing
he must not be imposing
we must not be imposing
you must not be imposing
they must not be imposing	I must not have imposed
you must not have imposed
he must not have imposed
we must not have imposed
you must not have imposed
they must not have imposed	I must not have been imposing
you must not have been imposing
he must not have been imposing
we must not have been imposing
you must not have been imposing
they must not have been imposing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I impose?
must you impose?
must he impose?
must we impose?
must you impose?
must they impose? 	must I be imposing?
must you be imposing?
must he be imposing?
must we be imposing?
must you be imposing?
must they be imposing? 	must I have imposed?
must you have imposed?
must he have imposed?
must we have imposed?
must you have imposed?
must they have imposed? 	must I have been imposing?
must you have been imposing?
must he have been imposing?
must we have been imposing?
must you have been imposing?
must they have been imposing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not impose?
must you not impose?
must he not impose?
must we not impose?
must you not impose?
must they not impose? 	must I not be imposing?
must you not be imposing?
must he not be imposing?
must we not be imposing?
must you not be imposing?
must they not be imposing? 	must I not have imposed?
must you not have imposed?
must he not have imposed?
must we not have imposed?
must you not have imposed?
must they not have imposed? 	must I not have been imposing?
must you not have been imposing?
must he not have been imposing?
must we not have been imposing?
must you not have been imposing?
must they not have been imposing?