shall decolourise
Regular verb: decolourise - decolourised- decolourised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall decolourise
you shall decolourise
she shall decolourise
we shall decolourise
you shall decolourise
they shall decolourise 	I shall be decolourising
you shall be decolourising
she shall be decolourising
we shall be decolourising
you shall be decolourising
they shall be decolourising	I shall have decolourised
you shall have decolourised
she shall have decolourised
we shall have decolourised
you shall have decolourised
they shall have decolourised	I shall have been decolourising
you shall have been decolourising
she shall have been decolourising
we shall have been decolourising
you shall have been decolourising
they shall have been decolourising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not decolourise
you shall not decolourise
she shall not decolourise
we shall not decolourise
you shall not decolourise
they shall not decolourise 	I shall not be decolourising
you shall not be decolourising
she shall not be decolourising
we shall not be decolourising
you shall not be decolourising
they shall not be decolourising	I shall not have decolourised
you shall not have decolourised
she shall not have decolourised
we shall not have decolourised
you shall not have decolourised
they shall not have decolourised	I shall not have been decolourising
you shall not have been decolourising
she shall not have been decolourising
we shall not have been decolourising
you shall not have been decolourising
they shall not have been decolourising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I decolourise?
shall you decolourise?
shall she decolourise?
shall we decolourise?
shall you decolourise?
shall they decolourise? 	shall I be decolourising?
shall you be decolourising?
shall she be decolourising?
shall we be decolourising?
shall you be decolourising?
shall they be decolourising? 	shall I have decolourised?
shall you have decolourised?
shall she have decolourised?
shall we have decolourised?
shall you have decolourised?
shall they have decolourised? 	shall I have been decolourising?
shall you have been decolourising?
shall she have been decolourising?
shall we have been decolourising?
shall you have been decolourising?
shall they have been decolourising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not decolourise?
shall you not decolourise?
shall she not decolourise?
shall we not decolourise?
shall you not decolourise?
shall they not decolourise? 	shall I not be decolourising?
shall you not be decolourising?
shall she not be decolourising?
shall we not be decolourising?
shall you not be decolourising?
shall they not be decolourising? 	shall I not have decolourised?
shall you not have decolourised?
shall she not have decolourised?
shall we not have decolourised?
shall you not have decolourised?
shall they not have decolourised? 	shall I not have been decolourising?
shall you not have been decolourising?
shall she not have been decolourising?
shall we not have been decolourising?
shall you not have been decolourising?
shall they not have been decolourising?