must scuttle
Verbo regular: scuttle - scuttled- scuttled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must scuttle
you must scuttle
she must scuttle
we must scuttle
you must scuttle
they must scuttle 	I must be scuttling
you must be scuttling
she must be scuttling
we must be scuttling
you must be scuttling
they must be scuttling	I must have scuttled
you must have scuttled
she must have scuttled
we must have scuttled
you must have scuttled
they must have scuttled	I must have been scuttling
you must have been scuttling
she must have been scuttling
we must have been scuttling
you must have been scuttling
they must have been scuttling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not scuttle
you must not scuttle
she must not scuttle
we must not scuttle
you must not scuttle
they must not scuttle 	I must not be scuttling
you must not be scuttling
she must not be scuttling
we must not be scuttling
you must not be scuttling
they must not be scuttling	I must not have scuttled
you must not have scuttled
she must not have scuttled
we must not have scuttled
you must not have scuttled
they must not have scuttled	I must not have been scuttling
you must not have been scuttling
she must not have been scuttling
we must not have been scuttling
you must not have been scuttling
they must not have been scuttling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I scuttle?
must you scuttle?
must she scuttle?
must we scuttle?
must you scuttle?
must they scuttle? 	must I be scuttling?
must you be scuttling?
must she be scuttling?
must we be scuttling?
must you be scuttling?
must they be scuttling? 	must I have scuttled?
must you have scuttled?
must she have scuttled?
must we have scuttled?
must you have scuttled?
must they have scuttled? 	must I have been scuttling?
must you have been scuttling?
must she have been scuttling?
must we have been scuttling?
must you have been scuttling?
must they have been scuttling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not scuttle?
must you not scuttle?
must she not scuttle?
must we not scuttle?
must you not scuttle?
must they not scuttle? 	must I not be scuttling?
must you not be scuttling?
must she not be scuttling?
must we not be scuttling?
must you not be scuttling?
must they not be scuttling? 	must I not have scuttled?
must you not have scuttled?
must she not have scuttled?
must we not have scuttled?
must you not have scuttled?
must they not have scuttled? 	must I not have been scuttling?
must you not have been scuttling?
must she not have been scuttling?
must we not have been scuttling?
must you not have been scuttling?
must they not have been scuttling?