should intertwine
Regular verb: intertwine - intertwined- intertwined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd intertwine
you'd intertwine
he'd intertwine
we'd intertwine
you'd intertwine
they'd intertwine 	I'd be intertwining
you'd be intertwining
he'd be intertwining
we'd be intertwining
you'd be intertwining
they'd be intertwining	I should've intertwined
you should've intertwined
he should've intertwined
we should've intertwined
you should've intertwined
they should've intertwined	I should've been intertwining
you should've been intertwining
he should've been intertwining
we should've been intertwining
you should've been intertwining
they should've been intertwining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't intertwine
you shouldn't intertwine
he shouldn't intertwine
we shouldn't intertwine
you shouldn't intertwine
they shouldn't intertwine 	I shouldn't be intertwining
you shouldn't be intertwining
he shouldn't be intertwining
we shouldn't be intertwining
you shouldn't be intertwining
they shouldn't be intertwining	I shouldn't have intertwined
you shouldn't have intertwined
he shouldn't have intertwined
we shouldn't have intertwined
you shouldn't have intertwined
they shouldn't have intertwined	I shouldn't have been intertwining
you shouldn't have been intertwining
he shouldn't have been intertwining
we shouldn't have been intertwining
you shouldn't have been intertwining
they shouldn't have been intertwining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I intertwine?
should you intertwine?
should he intertwine?
should we intertwine?
should you intertwine?
should they intertwine? 	should I be intertwining?
should you be intertwining?
should he be intertwining?
should we be intertwining?
should you be intertwining?
should they be intertwining? 	should I have intertwined?
should you have intertwined?
should he have intertwined?
should we have intertwined?
should you have intertwined?
should they have intertwined? 	should I have been intertwining?
should you have been intertwining?
should he have been intertwining?
should we have been intertwining?
should you have been intertwining?
should they have been intertwining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I intertwine?
shouldn't you intertwine?
shouldn't he intertwine?
shouldn't we intertwine?
shouldn't you intertwine?
shouldn't they intertwine? 	shouldn't I be intertwining?
shouldn't you be intertwining?
shouldn't he be intertwining?
shouldn't we be intertwining?
shouldn't you be intertwining?
shouldn't they be intertwining? 	shouldn't I have intertwined?
shouldn't you have intertwined?
shouldn't he have intertwined?
shouldn't we have intertwined?
shouldn't you have intertwined?
shouldn't they have intertwined? 	shouldn't I have been intertwining?
shouldn't you have been intertwining?
shouldn't he have been intertwining?
shouldn't we have been intertwining?
shouldn't you have been intertwining?
shouldn't they have been intertwining?