must assess
Verbo regular: assess - assessed- assessed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must assess
you must assess
he must assess
we must assess
you must assess
they must assess 	I must be assessing
you must be assessing
he must be assessing
we must be assessing
you must be assessing
they must be assessing	I must have assessed
you must have assessed
he must have assessed
we must have assessed
you must have assessed
they must have assessed	I must have been assessing
you must have been assessing
he must have been assessing
we must have been assessing
you must have been assessing
they must have been assessing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't assess
you mustn't assess
he mustn't assess
we mustn't assess
you mustn't assess
they mustn't assess 	I mustn't be assessing
you mustn't be assessing
he mustn't be assessing
we mustn't be assessing
you mustn't be assessing
they mustn't be assessing	I mustn't have assessed
you mustn't have assessed
he mustn't have assessed
we mustn't have assessed
you mustn't have assessed
they mustn't have assessed	I mustn't have been assessing
you mustn't have been assessing
he mustn't have been assessing
we mustn't have been assessing
you mustn't have been assessing
they mustn't have been assessing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I assess?
must you assess?
must he assess?
must we assess?
must you assess?
must they assess? 	must I be assessing?
must you be assessing?
must he be assessing?
must we be assessing?
must you be assessing?
must they be assessing? 	must I have assessed?
must you have assessed?
must he have assessed?
must we have assessed?
must you have assessed?
must they have assessed? 	must I have been assessing?
must you have been assessing?
must he have been assessing?
must we have been assessing?
must you have been assessing?
must they have been assessing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I assess?
mustn't you assess?
mustn't he assess?
mustn't we assess?
mustn't you assess?
mustn't they assess? 	mustn't I be assessing?
mustn't you be assessing?
mustn't he be assessing?
mustn't we be assessing?
mustn't you be assessing?
mustn't they be assessing? 	mustn't I have assessed?
mustn't you have assessed?
mustn't he have assessed?
mustn't we have assessed?
mustn't you have assessed?
mustn't they have assessed? 	mustn't I have been assessing?
mustn't you have been assessing?
mustn't he have been assessing?
mustn't we have been assessing?
mustn't you have been assessing?
mustn't they have been assessing?