can isomerise
Regular verb: isomerise - isomerised- isomerised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can isomerise
you can isomerise
he can isomerise
we can isomerise
you can isomerise
they can isomerise 	I can be isomerising
you can be isomerising
he can be isomerising
we can be isomerising
you can be isomerising
they can be isomerising	I can have isomerised
you can have isomerised
he can have isomerised
we can have isomerised
you can have isomerised
they can have isomerised	I can have been isomerising
you can have been isomerising
he can have been isomerising
we can have been isomerising
you can have been isomerising
they can have been isomerising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot isomerise
you cannot isomerise
he cannot isomerise
we cannot isomerise
you cannot isomerise
they cannot isomerise 	I cannot be isomerising
you cannot be isomerising
he cannot be isomerising
we cannot be isomerising
you cannot be isomerising
they cannot be isomerising	I cannot have isomerised
you cannot have isomerised
he cannot have isomerised
we cannot have isomerised
you cannot have isomerised
they cannot have isomerised	I cannot have been isomerising
you cannot have been isomerising
he cannot have been isomerising
we cannot have been isomerising
you cannot have been isomerising
they cannot have been isomerising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I isomerise?
can you isomerise?
can he isomerise?
can we isomerise?
can you isomerise?
can they isomerise? 	can I be isomerising?
can you be isomerising?
can he be isomerising?
can we be isomerising?
can you be isomerising?
can they be isomerising? 	can I have isomerised?
can you have isomerised?
can he have isomerised?
can we have isomerised?
can you have isomerised?
can they have isomerised? 	can I have been isomerising?
can you have been isomerising?
can he have been isomerising?
can we have been isomerising?
can you have been isomerising?
can they have been isomerising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not isomerise?
can you not isomerise?
can he not isomerise?
can we not isomerise?
can you not isomerise?
can they not isomerise? 	can I not be isomerising?
can you not be isomerising?
can he not be isomerising?
can we not be isomerising?
can you not be isomerising?
can they not be isomerising? 	can I not have isomerised?
can you not have isomerised?
can he not have isomerised?
can we not have isomerised?
can you not have isomerised?
can they not have isomerised? 	can I not have been isomerising?
can you not have been isomerising?
can he not have been isomerising?
can we not have been isomerising?
can you not have been isomerising?
can they not have been isomerising?