English verb conjugation
SHOULD PREASSEMBLE

Regular verb: preassemble - preassembled - preassembled

Affirmation

Simple form	V-ing form
I'd preassemble you'd preassemble he'd preassemble we'd preassemble you'd preassemble they'd preassemble	I'd be preassembling you'd be preassembling he'd be preassembling we'd be preassembling you'd be preassembling they'd be preassembling
Perfect	V-ing perfect
I should've preassembled you should've preassembled he should've preassembled we should've preassembled you should've preassembled they should've preassembled	I should've been preassembling you should've been preassembling he should've been preassembling we should've been preassembling you should've been preassembling they should've been preassembling

Negation

Simple form	V-ing form
I shouldn't preassemble you shouldn't preassemble he shouldn't preassemble we shouldn't preassemble you shouldn't preassemble they shouldn't preassemble	I shouldn't be preassembling you shouldn't be preassembling he shouldn't be preassembling we shouldn't be preassembling you shouldn't be preassembling they shouldn't be preassembling
Perfect	V-ing perfect
I shouldn't have preassembled you shouldn't have preassembled he shouldn't have preassembled we shouldn't have preassembled you shouldn't have preassembled they shouldn't have preassembled	I shouldn't have been preassembling you shouldn't have been preassembling he shouldn't have been preassembling we shouldn't have been preassembling you shouldn't have been preassembling they shouldn't have been preassembling

Interrogative form

Simple form	V-ing form
should I preassemble? should you preassemble? should he preassemble? should we preassemble? should you preassemble? should they preassemble?	should I be preassembling? should you be preassembling? should he be preassembling? should we be preassembling? should you be preassembling? should they be preassembling?
Perfect	V-ing perfect
should I have preassembled? should you have preassembled? should he have preassembled? should we have preassembled? should you have preassembled? should they have preassembled?	should I have been preassembling? should you have been preassembling? should he have been preassembling? should we have been preassembling? should you have been preassembling? should they have been preassembling?

Interro-negative form

Simple form	V-ing form
shouldn't I preassemble? shouldn't you preassemble? shouldn't he preassemble? shouldn't we preassemble? shouldn't you preassemble? shouldn't they preassemble?	shouldn't I be preassembling? shouldn't you be preassembling? shouldn't he be preassembling? shouldn't we be preassembling? shouldn't you be preassembling? shouldn't they be preassembling?
Perfect	V-ing perfect
shouldn't I have preassembled? shouldn't you have preassembled? shouldn't he have preassembled? shouldn't we have preassembled? shouldn't you have preassembled? shouldn't they have preassembled?	shouldn't I have been preassembling? shouldn't you have been preassembling? shouldn't he have been preassembling? shouldn't we have been preassembling? shouldn't you have been preassembling? shouldn't they have been preassembling?