must tousle
Regular verb: tousle - tousled- tousled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must tousle
you must tousle
she must tousle
we must tousle
you must tousle
they must tousle 	I must be tousling
you must be tousling
she must be tousling
we must be tousling
you must be tousling
they must be tousling	I must have tousled
you must have tousled
she must have tousled
we must have tousled
you must have tousled
they must have tousled	I must have been tousling
you must have been tousling
she must have been tousling
we must have been tousling
you must have been tousling
they must have been tousling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't tousle
you mustn't tousle
she mustn't tousle
we mustn't tousle
you mustn't tousle
they mustn't tousle 	I mustn't be tousling
you mustn't be tousling
she mustn't be tousling
we mustn't be tousling
you mustn't be tousling
they mustn't be tousling	I mustn't have tousled
you mustn't have tousled
she mustn't have tousled
we mustn't have tousled
you mustn't have tousled
they mustn't have tousled	I mustn't have been tousling
you mustn't have been tousling
she mustn't have been tousling
we mustn't have been tousling
you mustn't have been tousling
they mustn't have been tousling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I tousle?
must you tousle?
must she tousle?
must we tousle?
must you tousle?
must they tousle? 	must I be tousling?
must you be tousling?
must she be tousling?
must we be tousling?
must you be tousling?
must they be tousling? 	must I have tousled?
must you have tousled?
must she have tousled?
must we have tousled?
must you have tousled?
must they have tousled? 	must I have been tousling?
must you have been tousling?
must she have been tousling?
must we have been tousling?
must you have been tousling?
must they have been tousling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I tousle?
mustn't you tousle?
mustn't she tousle?
mustn't we tousle?
mustn't you tousle?
mustn't they tousle? 	mustn't I be tousling?
mustn't you be tousling?
mustn't she be tousling?
mustn't we be tousling?
mustn't you be tousling?
mustn't they be tousling? 	mustn't I have tousled?
mustn't you have tousled?
mustn't she have tousled?
mustn't we have tousled?
mustn't you have tousled?
mustn't they have tousled? 	mustn't I have been tousling?
mustn't you have been tousling?
mustn't she have been tousling?
mustn't we have been tousling?
mustn't you have been tousling?
mustn't they have been tousling?