So/niether

I haven't written the essay yet.

• Neither have I. 

• Neither am I. 

• So do I.

• So am I.

I'm very thirsty.

• So do I.

• So am I.

• So have I.

• Neither am I.

Sam won't help us.

• So will John.

• Neither will John.

• Neither willn't John.

• So won't john

I watched the match in a pub.

• I did

• So watched I.

• So was I.

• So did I.

I would really like to go.

• Neither would I.

• So did I.

• So would I.

• Neither did I.

I drink too much coffee.

• So am I.

• Neither do I.

• So do I.

• Me neither.