shall muffle
Regular verb: muffle - muffled- muffled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll muffle
you'll muffle
she'll muffle
we'll muffle
you'll muffle
they'll muffle 	I'll be muffling
you'll be muffling
she'll be muffling
we'll be muffling
you'll be muffling
they'll be muffling	I'll have muffled
you'll have muffled
she'll have muffled
we'll have muffled
you'll have muffled
they'll have muffled	I'll have been muffling
you'll have been muffling
she'll have been muffling
we'll have been muffling
you'll have been muffling
they'll have been muffling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't muffle
you shan't muffle
she shan't muffle
we shan't muffle
you shan't muffle
they shan't muffle 	I shan't be muffling
you shan't be muffling
she shan't be muffling
we shan't be muffling
you shan't be muffling
they shan't be muffling	I shan't have muffled
you shan't have muffled
she shan't have muffled
we shan't have muffled
you shan't have muffled
they shan't have muffled	I shan't have been muffling
you shan't have been muffling
she shan't have been muffling
we shan't have been muffling
you shan't have been muffling
they shan't have been muffling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I muffle?
shall you muffle?
shall she muffle?
shall we muffle?
shall you muffle?
shall they muffle? 	shall I be muffling?
shall you be muffling?
shall she be muffling?
shall we be muffling?
shall you be muffling?
shall they be muffling? 	shall I have muffled?
shall you have muffled?
shall she have muffled?
shall we have muffled?
shall you have muffled?
shall they have muffled? 	shall I have been muffling?
shall you have been muffling?
shall she have been muffling?
shall we have been muffling?
shall you have been muffling?
shall they have been muffling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I muffle?
shan't you muffle?
shan't she muffle?
shan't we muffle?
shan't you muffle?
shan't they muffle? 	shan't I be muffling?
shan't you be muffling?
shan't she be muffling?
shan't we be muffling?
shan't you be muffling?
shan't they be muffling? 	shan't I have muffled?
shan't you have muffled?
shan't she have muffled?
shan't we have muffled?
shan't you have muffled?
shan't they have muffled? 	shan't I have been muffling?
shan't you have been muffling?
shan't she have been muffling?
shan't we have been muffling?
shan't you have been muffling?
shan't they have been muffling?