shall discolour
Regular verb: discolour - discoloured- discoloured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall discolour
you shall discolour
she shall discolour
we shall discolour
you shall discolour
they shall discolour 	I shall be discolouring
you shall be discolouring
she shall be discolouring
we shall be discolouring
you shall be discolouring
they shall be discolouring	I shall have discoloured
you shall have discoloured
she shall have discoloured
we shall have discoloured
you shall have discoloured
they shall have discoloured	I shall have been discolouring
you shall have been discolouring
she shall have been discolouring
we shall have been discolouring
you shall have been discolouring
they shall have been discolouring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not discolour
you shall not discolour
she shall not discolour
we shall not discolour
you shall not discolour
they shall not discolour 	I shall not be discolouring
you shall not be discolouring
she shall not be discolouring
we shall not be discolouring
you shall not be discolouring
they shall not be discolouring	I shall not have discoloured
you shall not have discoloured
she shall not have discoloured
we shall not have discoloured
you shall not have discoloured
they shall not have discoloured	I shall not have been discolouring
you shall not have been discolouring
she shall not have been discolouring
we shall not have been discolouring
you shall not have been discolouring
they shall not have been discolouring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I discolour?
shall you discolour?
shall she discolour?
shall we discolour?
shall you discolour?
shall they discolour? 	shall I be discolouring?
shall you be discolouring?
shall she be discolouring?
shall we be discolouring?
shall you be discolouring?
shall they be discolouring? 	shall I have discoloured?
shall you have discoloured?
shall she have discoloured?
shall we have discoloured?
shall you have discoloured?
shall they have discoloured? 	shall I have been discolouring?
shall you have been discolouring?
shall she have been discolouring?
shall we have been discolouring?
shall you have been discolouring?
shall they have been discolouring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not discolour?
shall you not discolour?
shall she not discolour?
shall we not discolour?
shall you not discolour?
shall they not discolour? 	shall I not be discolouring?
shall you not be discolouring?
shall she not be discolouring?
shall we not be discolouring?
shall you not be discolouring?
shall they not be discolouring? 	shall I not have discoloured?
shall you not have discoloured?
shall she not have discoloured?
shall we not have discoloured?
shall you not have discoloured?
shall they not have discoloured? 	shall I not have been discolouring?
shall you not have been discolouring?
shall she not have been discolouring?
shall we not have been discolouring?
shall you not have been discolouring?
shall they not have been discolouring?