I should preassemble you should preassemble he should preassemble we should preassemble you should preassemble they should preassemble
V-ing form
I should be preassembling you should be preassembling he should be preassembling we should be preassembling you should be preassembling they should be preassembling
Perfect
I should have preassembled you should have preassembled he should have preassembled we should have preassembled you should have preassembled they should have preassembled
V-ing perfect
I should have been preassembling you should have been preassembling he should have been preassembling we should have been preassembling you should have been preassembling they should have been preassembling
Negation
Simple form
I should not preassemble you should not preassemble he should not preassemble we should not preassemble you should not preassemble they should not preassemble
V-ing form
I should not be preassembling you should not be preassembling he should not be preassembling we should not be preassembling you should not be preassembling they should not be preassembling
Perfect
I should not have preassembled you should not have preassembled he should not have preassembled we should not have preassembled you should not have preassembled they should not have preassembled
V-ing perfect
I should not have been preassembling you should not have been preassembling he should not have been preassembling we should not have been preassembling you should not have been preassembling they should not 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
should I not preassemble? should you not preassemble? should he not preassemble? should we not preassemble? should you not preassemble? should they not preassemble?
V-ing form
should I not be preassembling? should you not be preassembling? should he not be preassembling? should we not be preassembling? should you not be preassembling? should they not be preassembling?
Perfect
should I not have preassembled? should you not have preassembled? should he not have preassembled? should we not have preassembled? should you not have preassembled? should they not have preassembled?
V-ing perfect
should I not have been preassembling? should you not have been preassembling? should he not have been preassembling? should we not have been preassembling? should you not have been preassembling? should they not have been preassembling?