could serialise
Regular verb: serialise - serialised- serialised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could serialise
you could serialise
he could serialise
we could serialise
you could serialise
they could serialise 	I could be serialising
you could be serialising
he could be serialising
we could be serialising
you could be serialising
they could be serialising	I could have serialised
you could have serialised
he could have serialised
we could have serialised
you could have serialised
they could have serialised	I could have been serialising
you could have been serialising
he could have been serialising
we could have been serialising
you could have been serialising
they could have been serialising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not serialise
you could not serialise
he could not serialise
we could not serialise
you could not serialise
they could not serialise 	I could not be serialising
you could not be serialising
he could not be serialising
we could not be serialising
you could not be serialising
they could not be serialising	I could not have serialised
you could not have serialised
he could not have serialised
we could not have serialised
you could not have serialised
they could not have serialised	I could not have been serialising
you could not have been serialising
he could not have been serialising
we could not have been serialising
you could not have been serialising
they could not have been serialising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I serialise?
could you serialise?
could he serialise?
could we serialise?
could you serialise?
could they serialise? 	could I be serialising?
could you be serialising?
could he be serialising?
could we be serialising?
could you be serialising?
could they be serialising? 	could I have serialised?
could you have serialised?
could he have serialised?
could we have serialised?
could you have serialised?
could they have serialised? 	could I have been serialising?
could you have been serialising?
could he have been serialising?
could we have been serialising?
could you have been serialising?
could they have been serialising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not serialise?
could you not serialise?
could he not serialise?
could we not serialise?
could you not serialise?
could they not serialise? 	could I not be serialising?
could you not be serialising?
could he not be serialising?
could we not be serialising?
could you not be serialising?
could they not be serialising? 	could I not have serialised?
could you not have serialised?
could he not have serialised?
could we not have serialised?
could you not have serialised?
could they not have serialised? 	could I not have been serialising?
could you not have been serialising?
could he not have been serialising?
could we not have been serialising?
could you not have been serialising?
could they not have been serialising?