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 cannot prefertilise you cannot prefertilise he cannot prefertilise we cannot prefertilise you cannot prefertilise they cannot prefertilise	I cannot be prefertilising you cannot be prefertilising he cannot be prefertilising we cannot be prefertilising you cannot be prefertilising they cannot be prefertilising
Perfect	V-ing perfect
I cannot have prefertilised you cannot have prefertilised he cannot have prefertilised we cannot have prefertilised you cannot have prefertilised they cannot have prefertilised	I cannot have been prefertilising you cannot have been prefertilising he cannot have been prefertilising we cannot have been prefertilising you cannot have been prefertilising they cannot 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 I not prefertilise? can you not prefertilise? can he not prefertilise? can we not prefertilise? can you not prefertilise? can they not prefertilise?	can I not be prefertilising? can you not be prefertilising? can he not be prefertilising? can we not be prefertilising? can you not be prefertilising? can they not be prefertilising?
Perfect	V-ing perfect
can I not have prefertilised? can you not have prefertilised? can he not have prefertilised? can we not have prefertilised? can you not have prefertilised? can they not have prefertilised?	can I not have been prefertilising? can you not have been prefertilising? can he not have been prefertilising? can we not have been prefertilising? can you not have been prefertilising? can they not have been prefertilising?