must turtle
Verbo regular: turtle - turtled- turtled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't turtle
you mustn't turtle
he mustn't turtle
we mustn't turtle
you mustn't turtle
they mustn't turtle 	I mustn't be turtling
you mustn't be turtling
he mustn't be turtling
we mustn't be turtling
you mustn't be turtling
they mustn't be turtling	I mustn't have turtled
you mustn't have turtled
he mustn't have turtled
we mustn't have turtled
you mustn't have turtled
they mustn't have turtled	I mustn't have been turtling
you mustn't have been turtling
he mustn't have been turtling
we mustn't have been turtling
you mustn't have been turtling
they mustn't have been turtling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I turtle?
mustn't you turtle?
mustn't he turtle?
mustn't we turtle?
mustn't you turtle?
mustn't they turtle? 	mustn't I be turtling?
mustn't you be turtling?
mustn't he be turtling?
mustn't we be turtling?
mustn't you be turtling?
mustn't they be turtling? 	mustn't I have turtled?
mustn't you have turtled?
mustn't he have turtled?
mustn't we have turtled?
mustn't you have turtled?
mustn't they have turtled? 	mustn't I have been turtling?
mustn't you have been turtling?
mustn't he have been turtling?
mustn't we have been turtling?
mustn't you have been turtling?
mustn't they have been turtling?