must fear
Verbo regular: fear - feared- feared

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must fear
you must fear
she must fear
we must fear
you must fear
they must fear 	I must be fearing
you must be fearing
she must be fearing
we must be fearing
you must be fearing
they must be fearing	I must have feared
you must have feared
she must have feared
we must have feared
you must have feared
they must have feared	I must have been fearing
you must have been fearing
she must have been fearing
we must have been fearing
you must have been fearing
they must have been fearing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not fear
you must not fear
she must not fear
we must not fear
you must not fear
they must not fear 	I must not be fearing
you must not be fearing
she must not be fearing
we must not be fearing
you must not be fearing
they must not be fearing	I must not have feared
you must not have feared
she must not have feared
we must not have feared
you must not have feared
they must not have feared	I must not have been fearing
you must not have been fearing
she must not have been fearing
we must not have been fearing
you must not have been fearing
they must not have been fearing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I fear?
must you fear?
must she fear?
must we fear?
must you fear?
must they fear? 	must I be fearing?
must you be fearing?
must she be fearing?
must we be fearing?
must you be fearing?
must they be fearing? 	must I have feared?
must you have feared?
must she have feared?
must we have feared?
must you have feared?
must they have feared? 	must I have been fearing?
must you have been fearing?
must she have been fearing?
must we have been fearing?
must you have been fearing?
must they have been fearing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not fear?
must you not fear?
must she not fear?
must we not fear?
must you not fear?
must they not fear? 	must I not be fearing?
must you not be fearing?
must she not be fearing?
must we not be fearing?
must you not be fearing?
must they not be fearing? 	must I not have feared?
must you not have feared?
must she not have feared?
must we not have feared?
must you not have feared?
must they not have feared? 	must I not have been fearing?
must you not have been fearing?
must she not have been fearing?
must we not have been fearing?
must you not have been fearing?
must they not have been fearing?