could tantalise
Regular verb: tantalise - tantalised- tantalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could tantalise
you could tantalise
he could tantalise
we could tantalise
you could tantalise
they could tantalise 	I could be tantalising
you could be tantalising
he could be tantalising
we could be tantalising
you could be tantalising
they could be tantalising	I could have tantalised
you could have tantalised
he could have tantalised
we could have tantalised
you could have tantalised
they could have tantalised	I could have been tantalising
you could have been tantalising
he could have been tantalising
we could have been tantalising
you could have been tantalising
they could have been tantalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not tantalise
you could not tantalise
he could not tantalise
we could not tantalise
you could not tantalise
they could not tantalise 	I could not be tantalising
you could not be tantalising
he could not be tantalising
we could not be tantalising
you could not be tantalising
they could not be tantalising	I could not have tantalised
you could not have tantalised
he could not have tantalised
we could not have tantalised
you could not have tantalised
they could not have tantalised	I could not have been tantalising
you could not have been tantalising
he could not have been tantalising
we could not have been tantalising
you could not have been tantalising
they could not have been tantalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I tantalise?
could you tantalise?
could he tantalise?
could we tantalise?
could you tantalise?
could they tantalise? 	could I be tantalising?
could you be tantalising?
could he be tantalising?
could we be tantalising?
could you be tantalising?
could they be tantalising? 	could I have tantalised?
could you have tantalised?
could he have tantalised?
could we have tantalised?
could you have tantalised?
could they have tantalised? 	could I have been tantalising?
could you have been tantalising?
could he have been tantalising?
could we have been tantalising?
could you have been tantalising?
could they have been tantalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not tantalise?
could you not tantalise?
could he not tantalise?
could we not tantalise?
could you not tantalise?
could they not tantalise? 	could I not be tantalising?
could you not be tantalising?
could he not be tantalising?
could we not be tantalising?
could you not be tantalising?
could they not be tantalising? 	could I not have tantalised?
could you not have tantalised?
could he not have tantalised?
could we not have tantalised?
could you not have tantalised?
could they not have tantalised? 	could I not have been tantalising?
could you not have been tantalising?
could he not have been tantalising?
could we not have been tantalising?
could you not have been tantalising?
could they not have been tantalising?