must beetle
Verbo regular: beetle - beetled- beetled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must beetle
you must beetle
he must beetle
we must beetle
you must beetle
they must beetle 	I must be beetling
you must be beetling
he must be beetling
we must be beetling
you must be beetling
they must be beetling	I must have beetled
you must have beetled
he must have beetled
we must have beetled
you must have beetled
they must have beetled	I must have been beetling
you must have been beetling
he must have been beetling
we must have been beetling
you must have been beetling
they must have been beetling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't beetle
you mustn't beetle
he mustn't beetle
we mustn't beetle
you mustn't beetle
they mustn't beetle 	I mustn't be beetling
you mustn't be beetling
he mustn't be beetling
we mustn't be beetling
you mustn't be beetling
they mustn't be beetling	I mustn't have beetled
you mustn't have beetled
he mustn't have beetled
we mustn't have beetled
you mustn't have beetled
they mustn't have beetled	I mustn't have been beetling
you mustn't have been beetling
he mustn't have been beetling
we mustn't have been beetling
you mustn't have been beetling
they mustn't have been beetling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I beetle?
must you beetle?
must he beetle?
must we beetle?
must you beetle?
must they beetle? 	must I be beetling?
must you be beetling?
must he be beetling?
must we be beetling?
must you be beetling?
must they be beetling? 	must I have beetled?
must you have beetled?
must he have beetled?
must we have beetled?
must you have beetled?
must they have beetled? 	must I have been beetling?
must you have been beetling?
must he have been beetling?
must we have been beetling?
must you have been beetling?
must they have been beetling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I beetle?
mustn't you beetle?
mustn't he beetle?
mustn't we beetle?
mustn't you beetle?
mustn't they beetle? 	mustn't I be beetling?
mustn't you be beetling?
mustn't he be beetling?
mustn't we be beetling?
mustn't you be beetling?
mustn't they be beetling? 	mustn't I have beetled?
mustn't you have beetled?
mustn't he have beetled?
mustn't we have beetled?
mustn't you have beetled?
mustn't they have beetled? 	mustn't I have been beetling?
mustn't you have been beetling?
mustn't he have been beetling?
mustn't we have been beetling?
mustn't you have been beetling?
mustn't they have been beetling?