can factorise
Regular verb: factorise - factorised- factorised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can factorise
you can factorise
she can factorise
we can factorise
you can factorise
they can factorise 	I can be factorising
you can be factorising
she can be factorising
we can be factorising
you can be factorising
they can be factorising	I can have factorised
you can have factorised
she can have factorised
we can have factorised
you can have factorised
they can have factorised	I can have been factorising
you can have been factorising
she can have been factorising
we can have been factorising
you can have been factorising
they can have been factorising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot factorise
you cannot factorise
she cannot factorise
we cannot factorise
you cannot factorise
they cannot factorise 	I cannot be factorising
you cannot be factorising
she cannot be factorising
we cannot be factorising
you cannot be factorising
they cannot be factorising	I cannot have factorised
you cannot have factorised
she cannot have factorised
we cannot have factorised
you cannot have factorised
they cannot have factorised	I cannot have been factorising
you cannot have been factorising
she cannot have been factorising
we cannot have been factorising
you cannot have been factorising
they cannot have been factorising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I factorise?
can you factorise?
can she factorise?
can we factorise?
can you factorise?
can they factorise? 	can I be factorising?
can you be factorising?
can she be factorising?
can we be factorising?
can you be factorising?
can they be factorising? 	can I have factorised?
can you have factorised?
can she have factorised?
can we have factorised?
can you have factorised?
can they have factorised? 	can I have been factorising?
can you have been factorising?
can she have been factorising?
can we have been factorising?
can you have been factorising?
can they have been factorising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not factorise?
can you not factorise?
can she not factorise?
can we not factorise?
can you not factorise?
can they not factorise? 	can I not be factorising?
can you not be factorising?
can she not be factorising?
can we not be factorising?
can you not be factorising?
can they not be factorising? 	can I not have factorised?
can you not have factorised?
can she not have factorised?
can we not have factorised?
can you not have factorised?
can they not have factorised? 	can I not have been factorising?
can you not have been factorising?
can she not have been factorising?
can we not have been factorising?
can you not have been factorising?
can they not have been factorising?