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 couldn't tantalise
you couldn't tantalise
he couldn't tantalise
we couldn't tantalise
you couldn't tantalise
they couldn't tantalise 	I couldn't be tantalising
you couldn't be tantalising
he couldn't be tantalising
we couldn't be tantalising
you couldn't be tantalising
they couldn't be tantalising	I couldn't have tantalised
you couldn't have tantalised
he couldn't have tantalised
we couldn't have tantalised
you couldn't have tantalised
they couldn't have tantalised	I couldn't have been tantalising
you couldn't have been tantalising
he couldn't have been tantalising
we couldn't have been tantalising
you couldn't have been tantalising
they couldn't 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 	
couldn't I tantalise?
couldn't you tantalise?
couldn't he tantalise?
couldn't we tantalise?
couldn't you tantalise?
couldn't they tantalise? 	couldn't I be tantalising?
couldn't you be tantalising?
couldn't he be tantalising?
couldn't we be tantalising?
couldn't you be tantalising?
couldn't they be tantalising? 	couldn't I have tantalised?
couldn't you have tantalised?
couldn't he have tantalised?
couldn't we have tantalised?
couldn't you have tantalised?
couldn't they have tantalised? 	couldn't I have been tantalising?
couldn't you have been tantalising?
couldn't he have been tantalising?
couldn't we have been tantalising?
couldn't you have been tantalising?
couldn't they have been tantalising?