English verb conjugation
CAN CUSTOMISE

Regular verb: customise - customised - customised

Affirmation

Simple form	V-ing form
I can customise you can customise she can customise we can customise you can customise they can customise	I can be customising you can be customising she can be customising we can be customising you can be customising they can be customising
Perfect	V-ing perfect
I can have customised you can have customised she can have customised we can have customised you can have customised they can have customised	I can have been customising you can have been customising she can have been customising we can have been customising you can have been customising they can have been customising

Negation

Simple form	V-ing form
I cannot customise you cannot customise she cannot customise we cannot customise you cannot customise they cannot customise	I cannot be customising you cannot be customising she cannot be customising we cannot be customising you cannot be customising they cannot be customising
Perfect	V-ing perfect
I cannot have customised you cannot have customised she cannot have customised we cannot have customised you cannot have customised they cannot have customised	I cannot have been customising you cannot have been customising she cannot have been customising we cannot have been customising you cannot have been customising they cannot have been customising

Interrogative form

Simple form	V-ing form
can I customise? can you customise? can she customise? can we customise? can you customise? can they customise?	can I be customising? can you be customising? can she be customising? can we be customising? can you be customising? can they be customising?
Perfect	V-ing perfect
can I have customised? can you have customised? can she have customised? can we have customised? can you have customised? can they have customised?	can I have been customising? can you have been customising? can she have been customising? can we have been customising? can you have been customising? can they have been customising?

Interro-negative form

Simple form	V-ing form
can I not customise? can you not customise? can she not customise? can we not customise? can you not customise? can they not customise?	can I not be customising? can you not be customising? can she not be customising? can we not be customising? can you not be customising? can they not be customising?
Perfect	V-ing perfect
can I not have customised? can you not have customised? can she not have customised? can we not have customised? can you not have customised? can they not have customised?	can I not have been customising? can you not have been customising? can she not have been customising? can we not have been customising? can you not have been customising? can they not have been customising?