must weather
Verbo regular: weather - weathered- weathered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must weather
you must weather
he must weather
we must weather
you must weather
they must weather 	I must be weathering
you must be weathering
he must be weathering
we must be weathering
you must be weathering
they must be weathering	I must have weathered
you must have weathered
he must have weathered
we must have weathered
you must have weathered
they must have weathered	I must have been weathering
you must have been weathering
he must have been weathering
we must have been weathering
you must have been weathering
they must have been weathering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not weather
you must not weather
he must not weather
we must not weather
you must not weather
they must not weather 	I must not be weathering
you must not be weathering
he must not be weathering
we must not be weathering
you must not be weathering
they must not be weathering	I must not have weathered
you must not have weathered
he must not have weathered
we must not have weathered
you must not have weathered
they must not have weathered	I must not have been weathering
you must not have been weathering
he must not have been weathering
we must not have been weathering
you must not have been weathering
they must not have been weathering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I weather?
must you weather?
must he weather?
must we weather?
must you weather?
must they weather? 	must I be weathering?
must you be weathering?
must he be weathering?
must we be weathering?
must you be weathering?
must they be weathering? 	must I have weathered?
must you have weathered?
must he have weathered?
must we have weathered?
must you have weathered?
must they have weathered? 	must I have been weathering?
must you have been weathering?
must he have been weathering?
must we have been weathering?
must you have been weathering?
must they have been weathering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not weather?
must you not weather?
must he not weather?
must we not weather?
must you not weather?
must they not weather? 	must I not be weathering?
must you not be weathering?
must he not be weathering?
must we not be weathering?
must you not be weathering?
must they not be weathering? 	must I not have weathered?
must you not have weathered?
must he not have weathered?
must we not have weathered?
must you not have weathered?
must they not have weathered? 	must I not have been weathering?
must you not have been weathering?
must he not have been weathering?
must we not have been weathering?
must you not have been weathering?
must they not have been weathering?