should surf
Regular verb: surf - surfed- surfed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd surf
you'd surf
she'd surf
we'd surf
you'd surf
they'd surf 	I'd be surfing
you'd be surfing
she'd be surfing
we'd be surfing
you'd be surfing
they'd be surfing	I should've surfed
you should've surfed
she should've surfed
we should've surfed
you should've surfed
they should've surfed	I should've been surfing
you should've been surfing
she should've been surfing
we should've been surfing
you should've been surfing
they should've been surfing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't surf
you shouldn't surf
she shouldn't surf
we shouldn't surf
you shouldn't surf
they shouldn't surf 	I shouldn't be surfing
you shouldn't be surfing
she shouldn't be surfing
we shouldn't be surfing
you shouldn't be surfing
they shouldn't be surfing	I shouldn't have surfed
you shouldn't have surfed
she shouldn't have surfed
we shouldn't have surfed
you shouldn't have surfed
they shouldn't have surfed	I shouldn't have been surfing
you shouldn't have been surfing
she shouldn't have been surfing
we shouldn't have been surfing
you shouldn't have been surfing
they shouldn't have been surfing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I surf?
should you surf?
should she surf?
should we surf?
should you surf?
should they surf? 	should I be surfing?
should you be surfing?
should she be surfing?
should we be surfing?
should you be surfing?
should they be surfing? 	should I have surfed?
should you have surfed?
should she have surfed?
should we have surfed?
should you have surfed?
should they have surfed? 	should I have been surfing?
should you have been surfing?
should she have been surfing?
should we have been surfing?
should you have been surfing?
should they have been surfing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I surf?
shouldn't you surf?
shouldn't she surf?
shouldn't we surf?
shouldn't you surf?
shouldn't they surf? 	shouldn't I be surfing?
shouldn't you be surfing?
shouldn't she be surfing?
shouldn't we be surfing?
shouldn't you be surfing?
shouldn't they be surfing? 	shouldn't I have surfed?
shouldn't you have surfed?
shouldn't she have surfed?
shouldn't we have surfed?
shouldn't you have surfed?
shouldn't they have surfed? 	shouldn't I have been surfing?
shouldn't you have been surfing?
shouldn't she have been surfing?
shouldn't we have been surfing?
shouldn't you have been surfing?
shouldn't they have been surfing?