must scabble
Verbo regular: scabble - scabbled- scabbled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must scabble
you must scabble
he must scabble
we must scabble
you must scabble
they must scabble 	I must be scabbling
you must be scabbling
he must be scabbling
we must be scabbling
you must be scabbling
they must be scabbling	I must have scabbled
you must have scabbled
he must have scabbled
we must have scabbled
you must have scabbled
they must have scabbled	I must have been scabbling
you must have been scabbling
he must have been scabbling
we must have been scabbling
you must have been scabbling
they must have been scabbling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not scabble
you must not scabble
he must not scabble
we must not scabble
you must not scabble
they must not scabble 	I must not be scabbling
you must not be scabbling
he must not be scabbling
we must not be scabbling
you must not be scabbling
they must not be scabbling	I must not have scabbled
you must not have scabbled
he must not have scabbled
we must not have scabbled
you must not have scabbled
they must not have scabbled	I must not have been scabbling
you must not have been scabbling
he must not have been scabbling
we must not have been scabbling
you must not have been scabbling
they must not have been scabbling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I scabble?
must you scabble?
must he scabble?
must we scabble?
must you scabble?
must they scabble? 	must I be scabbling?
must you be scabbling?
must he be scabbling?
must we be scabbling?
must you be scabbling?
must they be scabbling? 	must I have scabbled?
must you have scabbled?
must he have scabbled?
must we have scabbled?
must you have scabbled?
must they have scabbled? 	must I have been scabbling?
must you have been scabbling?
must he have been scabbling?
must we have been scabbling?
must you have been scabbling?
must they have been scabbling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not scabble?
must you not scabble?
must he not scabble?
must we not scabble?
must you not scabble?
must they not scabble? 	must I not be scabbling?
must you not be scabbling?
must he not be scabbling?
must we not be scabbling?
must you not be scabbling?
must they not be scabbling? 	must I not have scabbled?
must you not have scabbled?
must he not have scabbled?
must we not have scabbled?
must you not have scabbled?
must they not have scabbled? 	must I not have been scabbling?
must you not have been scabbling?
must he not have been scabbling?
must we not have been scabbling?
must you not have been scabbling?
must they not have been scabbling?