English verb conjugation
SHOULD FUN

Regular verb: fun - funed - funed

Affirmation

Simple form	V-ing form
I'd fun you'd fun he'd fun we'd fun you'd fun they'd fun	I'd be funing you'd be funing he'd be funing we'd be funing you'd be funing they'd be funing
Perfect	V-ing perfect
I should've funed you should've funed he should've funed we should've funed you should've funed they should've funed	I should've been funing you should've been funing he should've been funing we should've been funing you should've been funing they should've been funing

Negation

Simple form	V-ing form
I shouldn't fun you shouldn't fun he shouldn't fun we shouldn't fun you shouldn't fun they shouldn't fun	I shouldn't be funing you shouldn't be funing he shouldn't be funing we shouldn't be funing you shouldn't be funing they shouldn't be funing
Perfect	V-ing perfect
I shouldn't have funed you shouldn't have funed he shouldn't have funed we shouldn't have funed you shouldn't have funed they shouldn't have funed	I shouldn't have been funing you shouldn't have been funing he shouldn't have been funing we shouldn't have been funing you shouldn't have been funing they shouldn't have been funing

Interrogative form

Simple form	V-ing form
should I fun? should you fun? should he fun? should we fun? should you fun? should they fun?	should I be funing? should you be funing? should he be funing? should we be funing? should you be funing? should they be funing?
Perfect	V-ing perfect
should I have funed? should you have funed? should he have funed? should we have funed? should you have funed? should they have funed?	should I have been funing? should you have been funing? should he have been funing? should we have been funing? should you have been funing? should they have been funing?

Interro-negative form

Simple form	V-ing form
shouldn't I fun? shouldn't you fun? shouldn't he fun? shouldn't we fun? shouldn't you fun? shouldn't they fun?	shouldn't I be funing? shouldn't you be funing? shouldn't he be funing? shouldn't we be funing? shouldn't you be funing? shouldn't they be funing?
Perfect	V-ing perfect
shouldn't I have funed? shouldn't you have funed? shouldn't he have funed? shouldn't we have funed? shouldn't you have funed? shouldn't they have funed?	shouldn't I have been funing? shouldn't you have been funing? shouldn't he have been funing? shouldn't we have been funing? shouldn't you have been funing? shouldn't they have been funing?