must totter
Verbo regular: totter - tottered- tottered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must totter
you must totter
he must totter
we must totter
you must totter
they must totter 	I must be tottering
you must be tottering
he must be tottering
we must be tottering
you must be tottering
they must be tottering	I must have tottered
you must have tottered
he must have tottered
we must have tottered
you must have tottered
they must have tottered	I must have been tottering
you must have been tottering
he must have been tottering
we must have been tottering
you must have been tottering
they must have been tottering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not totter
you must not totter
he must not totter
we must not totter
you must not totter
they must not totter 	I must not be tottering
you must not be tottering
he must not be tottering
we must not be tottering
you must not be tottering
they must not be tottering	I must not have tottered
you must not have tottered
he must not have tottered
we must not have tottered
you must not have tottered
they must not have tottered	I must not have been tottering
you must not have been tottering
he must not have been tottering
we must not have been tottering
you must not have been tottering
they must not have been tottering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I totter?
must you totter?
must he totter?
must we totter?
must you totter?
must they totter? 	must I be tottering?
must you be tottering?
must he be tottering?
must we be tottering?
must you be tottering?
must they be tottering? 	must I have tottered?
must you have tottered?
must he have tottered?
must we have tottered?
must you have tottered?
must they have tottered? 	must I have been tottering?
must you have been tottering?
must he have been tottering?
must we have been tottering?
must you have been tottering?
must they have been tottering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not totter?
must you not totter?
must he not totter?
must we not totter?
must you not totter?
must they not totter? 	must I not be tottering?
must you not be tottering?
must he not be tottering?
must we not be tottering?
must you not be tottering?
must they not be tottering? 	must I not have tottered?
must you not have tottered?
must he not have tottered?
must we not have tottered?
must you not have tottered?
must they not have tottered? 	must I not have been tottering?
must you not have been tottering?
must he not have been tottering?
must we not have been tottering?
must you not have been tottering?
must they not have been tottering?