English verb conjugation
CAN PREFERTILISE

Regular verb: prefertilise - prefertilised - prefertilised

Affirmation

Simple form	V-ing form
I can prefertilise you can prefertilise he can prefertilise we can prefertilise you can prefertilise they can prefertilise	I can be prefertilising you can be prefertilising he can be prefertilising we can be prefertilising you can be prefertilising they can be prefertilising
Perfect	V-ing perfect
I can have prefertilised you can have prefertilised he can have prefertilised we can have prefertilised you can have prefertilised they can have prefertilised	I can have been prefertilising you can have been prefertilising he can have been prefertilising we can have been prefertilising you can have been prefertilising they can have been prefertilising

Negation

Simple form	V-ing form
I can't prefertilise you can't prefertilise he can't prefertilise we can't prefertilise you can't prefertilise they can't prefertilise	I can't be prefertilising you can't be prefertilising he can't be prefertilising we can't be prefertilising you can't be prefertilising they can't be prefertilising
Perfect	V-ing perfect
I can't have prefertilised you can't have prefertilised he can't have prefertilised we can't have prefertilised you can't have prefertilised they can't have prefertilised	I can't have been prefertilising you can't have been prefertilising he can't have been prefertilising we can't have been prefertilising you can't have been prefertilising they can't have been prefertilising

Interrogative form

Simple form	V-ing form
can I prefertilise? can you prefertilise? can he prefertilise? can we prefertilise? can you prefertilise? can they prefertilise?	can I be prefertilising? can you be prefertilising? can he be prefertilising? can we be prefertilising? can you be prefertilising? can they be prefertilising?
Perfect	V-ing perfect
can I have prefertilised? can you have prefertilised? can he have prefertilised? can we have prefertilised? can you have prefertilised? can they have prefertilised?	can I have been prefertilising? can you have been prefertilising? can he have been prefertilising? can we have been prefertilising? can you have been prefertilising? can they have been prefertilising?

Interro-negative form

Simple form	V-ing form
can't I prefertilise? can't you prefertilise? can't he prefertilise? can't we prefertilise? can't you prefertilise? can't they prefertilise?	can't I be prefertilising? can't you be prefertilising? can't he be prefertilising? can't we be prefertilising? can't you be prefertilising? can't they be prefertilising?
Perfect	V-ing perfect
can't I have prefertilised? can't you have prefertilised? can't he have prefertilised? can't we have prefertilised? can't you have prefertilised? can't they have prefertilised?	can't I have been prefertilising? can't you have been prefertilising? can't he have been prefertilising? can't we have been prefertilising? can't you have been prefertilising? can't they have been prefertilising?