English verb conjugation
OUGHT TO PREASSEMBLE

Regular verb: preassemble - preassembled - preassembled

Affirmation

Simple form	V-ing form
I ought to preassemble you ought to preassemble she ought to preassemble we ought to preassemble you ought to preassemble they ought to preassemble	I ought to be preassembling you ought to be preassembling she ought to be preassembling we ought to be preassembling you ought to be preassembling they ought to be preassembling
Perfect	V-ing perfect
I ought to have preassembled you ought to have preassembled she ought to have preassembled we ought to have preassembled you ought to have preassembled they ought to have preassembled	I ought to have been preassembling you ought to have been preassembling she ought to have been preassembling we ought to have been preassembling you ought to have been preassembling they ought to have been preassembling

Negation

Simple form	V-ing form
I oughtn't to preassemble you oughtn't to preassemble she oughtn't to preassemble we oughtn't to preassemble you oughtn't to preassemble they oughtn't to preassemble	I oughtn't to be preassembling you oughtn't to be preassembling she oughtn't to be preassembling we oughtn't to be preassembling you oughtn't to be preassembling they oughtn't to be preassembling
Perfect	V-ing perfect
I oughtn't to have preassembled you oughtn't to have preassembled she oughtn't to have preassembled we oughtn't to have preassembled you oughtn't to have preassembled they oughtn't to have preassembled	I oughtn't to have been preassembling you oughtn't to have been preassembling she oughtn't to have been preassembling we oughtn't to have been preassembling you oughtn't to have been preassembling they oughtn't to have been preassembling

Interrogative form

Simple form	V-ing form
ought to I preassemble? ought to you preassemble? ought to she preassemble? ought to we preassemble? ought to you preassemble? ought to they preassemble?	ought to I be preassembling? ought to you be preassembling? ought to she be preassembling? ought to we be preassembling? ought to you be preassembling? ought to they be preassembling?
Perfect	V-ing perfect
ought to I have preassembled? ought to you have preassembled? ought to she have preassembled? ought to we have preassembled? ought to you have preassembled? ought to they have preassembled?	ought to I have been preassembling? ought to you have been preassembling? ought to she have been preassembling? ought to we have been preassembling? ought to you have been preassembling? ought to they have been preassembling?

Interro-negative form

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