shall underdress
Regular verb: underdress - underdressed- underdressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll underdress
you'll underdress
he'll underdress
we'll underdress
you'll underdress
they'll underdress 	I'll be underdressing
you'll be underdressing
he'll be underdressing
we'll be underdressing
you'll be underdressing
they'll be underdressing	I'll have underdressed
you'll have underdressed
he'll have underdressed
we'll have underdressed
you'll have underdressed
they'll have underdressed	I'll have been underdressing
you'll have been underdressing
he'll have been underdressing
we'll have been underdressing
you'll have been underdressing
they'll have been underdressing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't underdress
you shan't underdress
he shan't underdress
we shan't underdress
you shan't underdress
they shan't underdress 	I shan't be underdressing
you shan't be underdressing
he shan't be underdressing
we shan't be underdressing
you shan't be underdressing
they shan't be underdressing	I shan't have underdressed
you shan't have underdressed
he shan't have underdressed
we shan't have underdressed
you shan't have underdressed
they shan't have underdressed	I shan't have been underdressing
you shan't have been underdressing
he shan't have been underdressing
we shan't have been underdressing
you shan't have been underdressing
they shan't have been underdressing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I underdress?
shall you underdress?
shall he underdress?
shall we underdress?
shall you underdress?
shall they underdress? 	shall I be underdressing?
shall you be underdressing?
shall he be underdressing?
shall we be underdressing?
shall you be underdressing?
shall they be underdressing? 	shall I have underdressed?
shall you have underdressed?
shall he have underdressed?
shall we have underdressed?
shall you have underdressed?
shall they have underdressed? 	shall I have been underdressing?
shall you have been underdressing?
shall he have been underdressing?
shall we have been underdressing?
shall you have been underdressing?
shall they have been underdressing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I underdress?
shan't you underdress?
shan't he underdress?
shan't we underdress?
shan't you underdress?
shan't they underdress? 	shan't I be underdressing?
shan't you be underdressing?
shan't he be underdressing?
shan't we be underdressing?
shan't you be underdressing?
shan't they be underdressing? 	shan't I have underdressed?
shan't you have underdressed?
shan't he have underdressed?
shan't we have underdressed?
shan't you have underdressed?
shan't they have underdressed? 	shan't I have been underdressing?
shan't you have been underdressing?
shan't he have been underdressing?
shan't we have been underdressing?
shan't you have been underdressing?
shan't they have been underdressing?