can devitalise
Regular verb: devitalise - devitalised- devitalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can devitalise
you can devitalise
he can devitalise
we can devitalise
you can devitalise
they can devitalise 	I can be devitalising
you can be devitalising
he can be devitalising
we can be devitalising
you can be devitalising
they can be devitalising	I can have devitalised
you can have devitalised
he can have devitalised
we can have devitalised
you can have devitalised
they can have devitalised	I can have been devitalising
you can have been devitalising
he can have been devitalising
we can have been devitalising
you can have been devitalising
they can have been devitalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot devitalise
you cannot devitalise
he cannot devitalise
we cannot devitalise
you cannot devitalise
they cannot devitalise 	I cannot be devitalising
you cannot be devitalising
he cannot be devitalising
we cannot be devitalising
you cannot be devitalising
they cannot be devitalising	I cannot have devitalised
you cannot have devitalised
he cannot have devitalised
we cannot have devitalised
you cannot have devitalised
they cannot have devitalised	I cannot have been devitalising
you cannot have been devitalising
he cannot have been devitalising
we cannot have been devitalising
you cannot have been devitalising
they cannot have been devitalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I devitalise?
can you devitalise?
can he devitalise?
can we devitalise?
can you devitalise?
can they devitalise? 	can I be devitalising?
can you be devitalising?
can he be devitalising?
can we be devitalising?
can you be devitalising?
can they be devitalising? 	can I have devitalised?
can you have devitalised?
can he have devitalised?
can we have devitalised?
can you have devitalised?
can they have devitalised? 	can I have been devitalising?
can you have been devitalising?
can he have been devitalising?
can we have been devitalising?
can you have been devitalising?
can they have been devitalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not devitalise?
can you not devitalise?
can he not devitalise?
can we not devitalise?
can you not devitalise?
can they not devitalise? 	can I not be devitalising?
can you not be devitalising?
can he not be devitalising?
can we not be devitalising?
can you not be devitalising?
can they not be devitalising? 	can I not have devitalised?
can you not have devitalised?
can he not have devitalised?
can we not have devitalised?
can you not have devitalised?
can they not have devitalised? 	can I not have been devitalising?
can you not have been devitalising?
can he not have been devitalising?
can we not have been devitalising?
can you not have been devitalising?
can they not have been devitalising?