must turtle
Regular verb: turtle - turtled- turtled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must turtle
you must turtle
she must turtle
we must turtle
you must turtle
they must turtle 	I must be turtling
you must be turtling
she must be turtling
we must be turtling
you must be turtling
they must be turtling	I must have turtled
you must have turtled
she 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
she must have been turtling
we must have been turtling
you must have been turtling
they must have been turtling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't turtle
you mustn't turtle
she 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
she 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
she 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
she mustn't have been turtling
we mustn't have been turtling
you mustn't have been turtling
they mustn't have been turtling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I turtle?
must you turtle?
must she turtle?
must we turtle?
must you turtle?
must they turtle? 	must I be turtling?
must you be turtling?
must she be turtling?
must we be turtling?
must you be turtling?
must they be turtling? 	must I have turtled?
must you have turtled?
must she 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 she have been turtling?
must we have been turtling?
must you have been turtling?
must they have been turtling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I turtle?
mustn't you turtle?
mustn't she 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 she 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 she 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 she have been turtling?
mustn't we have been turtling?
mustn't you have been turtling?
mustn't they have been turtling?