must turtle
Verbo regular: turtle - turtled- turtled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must turtle
you must turtle
he must turtle
we must turtle
you must turtle
they must turtle 	I must be turtling
you must be turtling
he must be turtling
we must be turtling
you must be turtling
they must be turtling	I must have turtled
you must have turtled
he must have turtled
we must have turtled
you must have turtled
they must have turtled	I must have been turtling
you must have been turtling
he must have been turtling
we must have been turtling
you must have been turtling
they must have been turtling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not turtle
you must not turtle
he must not turtle
we must not turtle
you must not turtle
they must not turtle 	I must not be turtling
you must not be turtling
he must not be turtling
we must not be turtling
you must not be turtling
they must not be turtling	I must not have turtled
you must not have turtled
he must not have turtled
we must not have turtled
you must not have turtled
they must not have turtled	I must not have been turtling
you must not have been turtling
he must not have been turtling
we must not have been turtling
you must not have been turtling
they must not have been turtling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I turtle?
must you turtle?
must he turtle?
must we turtle?
must you turtle?
must they turtle? 	must I be turtling?
must you be turtling?
must he be turtling?
must we be turtling?
must you be turtling?
must they be turtling? 	must I have turtled?
must you have turtled?
must he have turtled?
must we have turtled?
must you have turtled?
must they have turtled? 	must I have been turtling?
must you have been turtling?
must he have been turtling?
must we have been turtling?
must you have been turtling?
must they have been turtling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not turtle?
must you not turtle?
must he not turtle?
must we not turtle?
must you not turtle?
must they not turtle? 	must I not be turtling?
must you not be turtling?
must he not be turtling?
must we not be turtling?
must you not be turtling?
must they not be turtling? 	must I not have turtled?
must you not have turtled?
must he not have turtled?
must we not have turtled?
must you not have turtled?
must they not have turtled? 	must I not have been turtling?
must you not have been turtling?
must he not have been turtling?
must we not have been turtling?
must you not have been turtling?
must they not have been turtling?