shall decolourise
Regular verb: decolourise - decolourised- decolourised

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