should wriggle
Regular verb: wriggle - wriggled- wriggled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd wriggle
you'd wriggle
he'd wriggle
we'd wriggle
you'd wriggle
they'd wriggle 	I'd be wriggling
you'd be wriggling
he'd be wriggling
we'd be wriggling
you'd be wriggling
they'd be wriggling	I should've wriggled
you should've wriggled
he should've wriggled
we should've wriggled
you should've wriggled
they should've wriggled	I should've been wriggling
you should've been wriggling
he should've been wriggling
we should've been wriggling
you should've been wriggling
they should've been wriggling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't wriggle
you shouldn't wriggle
he shouldn't wriggle
we shouldn't wriggle
you shouldn't wriggle
they shouldn't wriggle 	I shouldn't be wriggling
you shouldn't be wriggling
he shouldn't be wriggling
we shouldn't be wriggling
you shouldn't be wriggling
they shouldn't be wriggling	I shouldn't have wriggled
you shouldn't have wriggled
he shouldn't have wriggled
we shouldn't have wriggled
you shouldn't have wriggled
they shouldn't have wriggled	I shouldn't have been wriggling
you shouldn't have been wriggling
he shouldn't have been wriggling
we shouldn't have been wriggling
you shouldn't have been wriggling
they shouldn't have been wriggling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I wriggle?
should you wriggle?
should he wriggle?
should we wriggle?
should you wriggle?
should they wriggle? 	should I be wriggling?
should you be wriggling?
should he be wriggling?
should we be wriggling?
should you be wriggling?
should they be wriggling? 	should I have wriggled?
should you have wriggled?
should he have wriggled?
should we have wriggled?
should you have wriggled?
should they have wriggled? 	should I have been wriggling?
should you have been wriggling?
should he have been wriggling?
should we have been wriggling?
should you have been wriggling?
should they have been wriggling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I wriggle?
shouldn't you wriggle?
shouldn't he wriggle?
shouldn't we wriggle?
shouldn't you wriggle?
shouldn't they wriggle? 	shouldn't I be wriggling?
shouldn't you be wriggling?
shouldn't he be wriggling?
shouldn't we be wriggling?
shouldn't you be wriggling?
shouldn't they be wriggling? 	shouldn't I have wriggled?
shouldn't you have wriggled?
shouldn't he have wriggled?
shouldn't we have wriggled?
shouldn't you have wriggled?
shouldn't they have wriggled? 	shouldn't I have been wriggling?
shouldn't you have been wriggling?
shouldn't he have been wriggling?
shouldn't we have been wriggling?
shouldn't you have been wriggling?
shouldn't they have been wriggling?