Clause Pattern of Past Tense

Statement
was/were at home
{I/We/You/He/She/It/They} worked hard yesterday
flew to England last week

Negative
was/were not at home
{I/We/You/He/She/It/They} did not work hard yesterday
did not fly to England last week

Question
Was/were {I/We/You/He/She/It/They} at home?
Did {I/We/You/He/She/It/They} work very hard yesterday?

Short Answer
Yes, {I/We/You/He/She/It/They} was/were/did
No, {I/We/You/He/She/It/They} was not/were not/ did not