Hewasastudent.Washeastudent?Hewasn'tastudeng.Theywerestudents.Weretheystudents?Theyweren'tstudents.Shewaskind.Wasshekind?Shewasn'tkind.Theywerekind.Weretheykind?Theyweren'tkind.Therewasabook.Wasthereabook?Therewasn'tabook.Thereweretwobooks.Weretheretwobooks?Thereweren'ttwobooks.Hewassleeping.Washesleeping?Hewasn'tsleeping.Theyweresleeping.Weretheysleeping?Theyweren'tsleeping.Shewasathome.Wassheathome?Shewasn'tathome.Theywereathome.Weretheyathome?Theyweren'tathome.