English verb conjugation
CAN CUSTOMISE

Regular verb: customise - customised - customised

Affirmation

Simple form	V-ing form
I can customise you can customise he can customise we can customise you can customise they can customise	I can be customising you can be customising he 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 he 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 he 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 can't customise you can't customise he can't customise we can't customise you can't customise they can't customise	I can't be customising you can't be customising he can't be customising we can't be customising you can't be customising they can't be customising
Perfect	V-ing perfect
I can't have customised you can't have customised he can't have customised we can't have customised you can't have customised they can't have customised	I can't have been customising you can't have been customising he can't have been customising we can't have been customising you can't have been customising they can't have been customising

Interrogative form

Simple form	V-ing form
can I customise? can you customise? can he customise? can we customise? can you customise? can they customise?	can I be customising? can you be customising? can he 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 he 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 he 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't I customise? can't you customise? can't he customise? can't we customise? can't you customise? can't they customise?	can't I be customising? can't you be customising? can't he be customising? can't we be customising? can't you be customising? can't they be customising?
Perfect	V-ing perfect
can't I have customised? can't you have customised? can't he have customised? can't we have customised? can't you have customised? can't they have customised?	can't I have been customising? can't you have been customising? can't he have been customising? can't we have been customising? can't you have been customising? can't they have been customising?