shall twin
Regular verb: twin - twinned- twinned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall twin
you shall twin
she shall twin
we shall twin
you shall twin
they shall twin 	I shall be twinning
you shall be twinning
she shall be twinning
we shall be twinning
you shall be twinning
they shall be twinning	I shall have twinned
you shall have twinned
she shall have twinned
we shall have twinned
you shall have twinned
they shall have twinned	I shall have been twinning
you shall have been twinning
she shall have been twinning
we shall have been twinning
you shall have been twinning
they shall have been twinning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not twin
you shall not twin
she shall not twin
we shall not twin
you shall not twin
they shall not twin 	I shall not be twinning
you shall not be twinning
she shall not be twinning
we shall not be twinning
you shall not be twinning
they shall not be twinning	I shall not have twinned
you shall not have twinned
she shall not have twinned
we shall not have twinned
you shall not have twinned
they shall not have twinned	I shall not have been twinning
you shall not have been twinning
she shall not have been twinning
we shall not have been twinning
you shall not have been twinning
they shall not have been twinning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I twin?
shall you twin?
shall she twin?
shall we twin?
shall you twin?
shall they twin? 	shall I be twinning?
shall you be twinning?
shall she be twinning?
shall we be twinning?
shall you be twinning?
shall they be twinning? 	shall I have twinned?
shall you have twinned?
shall she have twinned?
shall we have twinned?
shall you have twinned?
shall they have twinned? 	shall I have been twinning?
shall you have been twinning?
shall she have been twinning?
shall we have been twinning?
shall you have been twinning?
shall they have been twinning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not twin?
shall you not twin?
shall she not twin?
shall we not twin?
shall you not twin?
shall they not twin? 	shall I not be twinning?
shall you not be twinning?
shall she not be twinning?
shall we not be twinning?
shall you not be twinning?
shall they not be twinning? 	shall I not have twinned?
shall you not have twinned?
shall she not have twinned?
shall we not have twinned?
shall you not have twinned?
shall they not have twinned? 	shall I not have been twinning?
shall you not have been twinning?
shall she not have been twinning?
shall we not have been twinning?
shall you not have been twinning?
shall they not have been twinning?