can prefertilise
Verbe régulier : prefertilise - prefertilised- prefertilised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can prefertilise
you can prefertilise
she can prefertilise
we can prefertilise
you can prefertilise
they can prefertilise 	I can be prefertilising
you can be prefertilising
she can be prefertilising
we can be prefertilising
you can be prefertilising
they can be prefertilising	I can have prefertilised
you can have prefertilised
she 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
she can have been prefertilising
we can have been prefertilising
you can have been prefertilising
they can have been prefertilising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot prefertilise
you cannot prefertilise
she cannot prefertilise
we cannot prefertilise
you cannot prefertilise
they cannot prefertilise 	I cannot be prefertilising
you cannot be prefertilising
she cannot be prefertilising
we cannot be prefertilising
you cannot be prefertilising
they cannot be prefertilising	I cannot have prefertilised
you cannot have prefertilised
she 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
she cannot have been prefertilising
we cannot have been prefertilising
you cannot have been prefertilising
they cannot have been prefertilising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I prefertilise?
can you prefertilise?
can she prefertilise?
can we prefertilise?
can you prefertilise?
can they prefertilise? 	can I be prefertilising?
can you be prefertilising?
can she be prefertilising?
can we be prefertilising?
can you be prefertilising?
can they be prefertilising? 	can I have prefertilised?
can you have prefertilised?
can she 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 she have been prefertilising?
can we have been prefertilising?
can you have been prefertilising?
can they have been prefertilising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not prefertilise?
can you not prefertilise?
can she 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 she not be prefertilising?
can we not be prefertilising?
can you not be prefertilising?
can they not be prefertilising? 	can I not have prefertilised?
can you not have prefertilised?
can she 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 she not have been prefertilising?
can we not have been prefertilising?
can you not have been prefertilising?
can they not have been prefertilising?