should friend
Regular verb: friend - friended- friended

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd friend
you'd friend
she'd friend
we'd friend
you'd friend
they'd friend 	I'd be friending
you'd be friending
she'd be friending
we'd be friending
you'd be friending
they'd be friending	I should've friended
you should've friended
she should've friended
we should've friended
you should've friended
they should've friended	I should've been friending
you should've been friending
she should've been friending
we should've been friending
you should've been friending
they should've been friending	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't friend
you shouldn't friend
she shouldn't friend
we shouldn't friend
you shouldn't friend
they shouldn't friend 	I shouldn't be friending
you shouldn't be friending
she shouldn't be friending
we shouldn't be friending
you shouldn't be friending
they shouldn't be friending	I shouldn't have friended
you shouldn't have friended
she shouldn't have friended
we shouldn't have friended
you shouldn't have friended
they shouldn't have friended	I shouldn't have been friending
you shouldn't have been friending
she shouldn't have been friending
we shouldn't have been friending
you shouldn't have been friending
they shouldn't have been friending	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I friend?
should you friend?
should she friend?
should we friend?
should you friend?
should they friend? 	should I be friending?
should you be friending?
should she be friending?
should we be friending?
should you be friending?
should they be friending? 	should I have friended?
should you have friended?
should she have friended?
should we have friended?
should you have friended?
should they have friended? 	should I have been friending?
should you have been friending?
should she have been friending?
should we have been friending?
should you have been friending?
should they have been friending? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I friend?
shouldn't you friend?
shouldn't she friend?
shouldn't we friend?
shouldn't you friend?
shouldn't they friend? 	shouldn't I be friending?
shouldn't you be friending?
shouldn't she be friending?
shouldn't we be friending?
shouldn't you be friending?
shouldn't they be friending? 	shouldn't I have friended?
shouldn't you have friended?
shouldn't she have friended?
shouldn't we have friended?
shouldn't you have friended?
shouldn't they have friended? 	shouldn't I have been friending?
shouldn't you have been friending?
shouldn't she have been friending?
shouldn't we have been friending?
shouldn't you have been friending?
shouldn't they have been friending?