We’ve never been to Europe before.
We haven’t either.
Neither have we.
I’ve never read this novel.
I haven’t either.
Neither have I.
Jack’s never read this book.
I haven’t either.
Neither have I.
I haven’t been to Korea.
I haven’t either.
Neither have I.
I haven’t been to New Zealand.
Neither have I.
I haven’t either.

We’ve never been there before.
Neither have we.
We haven’t either.
We’ve never been to Tokyo before.
We haven’t either.
Neither have we.
I’ve never met Mr. Gates.
Neither have I.
I haven’t either.
I haven’t spoken Japanese for a long time.
Neither have I.
I haven’t either.
I haven’t heard any news about earthquake in Indonesia.
I haven’t either.
Neither have I.
I’ve never been to France.
I haven’t either.
Neither have I.
I haven’t eaten breakfast yet.
I haven’t either.
Neither have I.