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
I should've preassembled you should've preassembled he should've preassembled we should've preassembled you should've preassembled they should've preassembled
V-ing perfect
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
I shouldn't preassemble you shouldn't preassemble he shouldn't preassemble we shouldn't preassemble you shouldn't preassemble they shouldn't preassemble
V-ing form
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
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
V-ing perfect
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
should I preassemble? should you preassemble? should he preassemble? should we preassemble? should you preassemble? should they preassemble?
V-ing form
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
should I have preassembled? should you have preassembled? should he have preassembled? should we have preassembled? should you have preassembled? should they have preassembled?
V-ing perfect
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
shouldn't I preassemble? shouldn't you preassemble? shouldn't he preassemble? shouldn't we preassemble? shouldn't you preassemble? shouldn't they preassemble?
V-ing form
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
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?
V-ing perfect
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?