shall decolourise
Regular verb: decolourise - decolourised- decolourised

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't decolourise
you shan't decolourise
she shan't decolourise
we shan't decolourise
you shan't decolourise
they shan't decolourise 	I shan't be decolourising
you shan't be decolourising
she shan't be decolourising
we shan't be decolourising
you shan't be decolourising
they shan't be decolourising	I shan't have decolourised
you shan't have decolourised
she shan't have decolourised
we shan't have decolourised
you shan't have decolourised
they shan't have decolourised	I shan't have been decolourising
you shan't have been decolourising
she shan't have been decolourising
we shan't have been decolourising
you shan't have been decolourising
they shan't 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 	
shan't I decolourise?
shan't you decolourise?
shan't she decolourise?
shan't we decolourise?
shan't you decolourise?
shan't they decolourise? 	shan't I be decolourising?
shan't you be decolourising?
shan't she be decolourising?
shan't we be decolourising?
shan't you be decolourising?
shan't they be decolourising? 	shan't I have decolourised?
shan't you have decolourised?
shan't she have decolourised?
shan't we have decolourised?
shan't you have decolourised?
shan't they have decolourised? 	shan't I have been decolourising?
shan't you have been decolourising?
shan't she have been decolourising?
shan't we have been decolourising?
shan't you have been decolourising?
shan't they have been decolourising?