So, too, either, neither: this is often used as a reply to someone else in a conversation, but both sentences can also be said by the same person, and even joined together.
POSITIVE SENTENCE, TOO |
SO + AUXILIARY + SUBJECT Auxiliary (do/ does/ have/ should/…) |
|
---|---|---|
Person A |
Person B |
Person B |
I love football. |
I love football, too. |
So do I. |
Jack can swim. |
I can swim, too. |
So can I. |
Hana and Jim have done their tasks. |
I have done my tasks, too. |
So have I. |
NEGATIVE SENTENCE, EITHER. |
NEITHER + AUXILIARY + SUBJECT Auxiliary (do/ does/ have/ should/…) |
|
---|---|---|
Person A |
Person B |
Person B |
I don’t love football. |
I don’t (love football), either. |
Neither do I. |
Jack can’t swim. |
I can’t (swim), neither. |
Neither can I. |
Hana and Jim haven’t done their tasks. |
I haven’t (done my tasks), neither. |
Neither have I. |