must dibble
Verbo regular: dibble - dibbled- dibbled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must dibble
you must dibble
he must dibble
we must dibble
you must dibble
they must dibble 	I must be dibbling
you must be dibbling
he must be dibbling
we must be dibbling
you must be dibbling
they must be dibbling	I must have dibbled
you must have dibbled
he must have dibbled
we must have dibbled
you must have dibbled
they must have dibbled	I must have been dibbling
you must have been dibbling
he must have been dibbling
we must have been dibbling
you must have been dibbling
they must have been dibbling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not dibble
you must not dibble
he must not dibble
we must not dibble
you must not dibble
they must not dibble 	I must not be dibbling
you must not be dibbling
he must not be dibbling
we must not be dibbling
you must not be dibbling
they must not be dibbling	I must not have dibbled
you must not have dibbled
he must not have dibbled
we must not have dibbled
you must not have dibbled
they must not have dibbled	I must not have been dibbling
you must not have been dibbling
he must not have been dibbling
we must not have been dibbling
you must not have been dibbling
they must not have been dibbling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I dibble?
must you dibble?
must he dibble?
must we dibble?
must you dibble?
must they dibble? 	must I be dibbling?
must you be dibbling?
must he be dibbling?
must we be dibbling?
must you be dibbling?
must they be dibbling? 	must I have dibbled?
must you have dibbled?
must he have dibbled?
must we have dibbled?
must you have dibbled?
must they have dibbled? 	must I have been dibbling?
must you have been dibbling?
must he have been dibbling?
must we have been dibbling?
must you have been dibbling?
must they have been dibbling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not dibble?
must you not dibble?
must he not dibble?
must we not dibble?
must you not dibble?
must they not dibble? 	must I not be dibbling?
must you not be dibbling?
must he not be dibbling?
must we not be dibbling?
must you not be dibbling?
must they not be dibbling? 	must I not have dibbled?
must you not have dibbled?
must he not have dibbled?
must we not have dibbled?
must you not have dibbled?
must they not have dibbled? 	must I not have been dibbling?
must you not have been dibbling?
must he not have been dibbling?
must we not have been dibbling?
must you not have been dibbling?
must they not have been dibbling?