must rustle
Verbo regular: rustle - rustled- rustled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must rustle
you must rustle
he must rustle
we must rustle
you must rustle
they must rustle 	I must be rustling
you must be rustling
he must be rustling
we must be rustling
you must be rustling
they must be rustling	I must have rustled
you must have rustled
he must have rustled
we must have rustled
you must have rustled
they must have rustled	I must have been rustling
you must have been rustling
he must have been rustling
we must have been rustling
you must have been rustling
they must have been rustling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not rustle
you must not rustle
he must not rustle
we must not rustle
you must not rustle
they must not rustle 	I must not be rustling
you must not be rustling
he must not be rustling
we must not be rustling
you must not be rustling
they must not be rustling	I must not have rustled
you must not have rustled
he must not have rustled
we must not have rustled
you must not have rustled
they must not have rustled	I must not have been rustling
you must not have been rustling
he must not have been rustling
we must not have been rustling
you must not have been rustling
they must not have been rustling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I rustle?
must you rustle?
must he rustle?
must we rustle?
must you rustle?
must they rustle? 	must I be rustling?
must you be rustling?
must he be rustling?
must we be rustling?
must you be rustling?
must they be rustling? 	must I have rustled?
must you have rustled?
must he have rustled?
must we have rustled?
must you have rustled?
must they have rustled? 	must I have been rustling?
must you have been rustling?
must he have been rustling?
must we have been rustling?
must you have been rustling?
must they have been rustling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not rustle?
must you not rustle?
must he not rustle?
must we not rustle?
must you not rustle?
must they not rustle? 	must I not be rustling?
must you not be rustling?
must he not be rustling?
must we not be rustling?
must you not be rustling?
must they not be rustling? 	must I not have rustled?
must you not have rustled?
must he not have rustled?
must we not have rustled?
must you not have rustled?
must they not have rustled? 	must I not have been rustling?
must you not have been rustling?
must he not have been rustling?
must we not have been rustling?
must you not have been rustling?
must they not have been rustling?