shall curb
Regular verb: curb - curbed- curbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall curb
you shall curb
she shall curb
we shall curb
you shall curb
they shall curb 	I shall be curbing
you shall be curbing
she shall be curbing
we shall be curbing
you shall be curbing
they shall be curbing	I shall have curbed
you shall have curbed
she shall have curbed
we shall have curbed
you shall have curbed
they shall have curbed	I shall have been curbing
you shall have been curbing
she shall have been curbing
we shall have been curbing
you shall have been curbing
they shall have been curbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not curb
you shall not curb
she shall not curb
we shall not curb
you shall not curb
they shall not curb 	I shall not be curbing
you shall not be curbing
she shall not be curbing
we shall not be curbing
you shall not be curbing
they shall not be curbing	I shall not have curbed
you shall not have curbed
she shall not have curbed
we shall not have curbed
you shall not have curbed
they shall not have curbed	I shall not have been curbing
you shall not have been curbing
she shall not have been curbing
we shall not have been curbing
you shall not have been curbing
they shall not have been curbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I curb?
shall you curb?
shall she curb?
shall we curb?
shall you curb?
shall they curb? 	shall I be curbing?
shall you be curbing?
shall she be curbing?
shall we be curbing?
shall you be curbing?
shall they be curbing? 	shall I have curbed?
shall you have curbed?
shall she have curbed?
shall we have curbed?
shall you have curbed?
shall they have curbed? 	shall I have been curbing?
shall you have been curbing?
shall she have been curbing?
shall we have been curbing?
shall you have been curbing?
shall they have been curbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not curb?
shall you not curb?
shall she not curb?
shall we not curb?
shall you not curb?
shall they not curb? 	shall I not be curbing?
shall you not be curbing?
shall she not be curbing?
shall we not be curbing?
shall you not be curbing?
shall they not be curbing? 	shall I not have curbed?
shall you not have curbed?
shall she not have curbed?
shall we not have curbed?
shall you not have curbed?
shall they not have curbed? 	shall I not have been curbing?
shall you not have been curbing?
shall she not have been curbing?
shall we not have been curbing?
shall you not have been curbing?
shall they not have been curbing?