English verb conjugation
CAN DECOLOURISE

Regular verb: decolourise - decolourised - decolourised

Affirmation

Simple form	V-ing form
I can decolourise you can decolourise he can decolourise we can decolourise you can decolourise they can decolourise	I can be decolourising you can be decolourising he can be decolourising we can be decolourising you can be decolourising they can be decolourising
Perfect	V-ing perfect
I can have decolourised you can have decolourised he can have decolourised we can have decolourised you can have decolourised they can have decolourised	I can have been decolourising you can have been decolourising he can have been decolourising we can have been decolourising you can have been decolourising they can have been decolourising

Negation

Simple form	V-ing form
I cannot decolourise you cannot decolourise he cannot decolourise we cannot decolourise you cannot decolourise they cannot decolourise	I cannot be decolourising you cannot be decolourising he cannot be decolourising we cannot be decolourising you cannot be decolourising they cannot be decolourising
Perfect	V-ing perfect
I cannot have decolourised you cannot have decolourised he cannot have decolourised we cannot have decolourised you cannot have decolourised they cannot have decolourised	I cannot have been decolourising you cannot have been decolourising he cannot have been decolourising we cannot have been decolourising you cannot have been decolourising they cannot have been decolourising

Interrogative form

Simple form	V-ing form
can I decolourise? can you decolourise? can he decolourise? can we decolourise? can you decolourise? can they decolourise?	can I be decolourising? can you be decolourising? can he be decolourising? can we be decolourising? can you be decolourising? can they be decolourising?
Perfect	V-ing perfect
can I have decolourised? can you have decolourised? can he have decolourised? can we have decolourised? can you have decolourised? can they have decolourised?	can I have been decolourising? can you have been decolourising? can he have been decolourising? can we have been decolourising? can you have been decolourising? can they have been decolourising?

Interro-negative form

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