1. They bought a new house, so did I.

    They bought a new house, I did too.

2. We won't cancel our plans for you, and they won't either.

    We won't cancel our plans for you, and neither will they.

    We won't cancel our plans for you, they won't, too.

3. Nobody was there, and I wasn't there either.

    Nobody was there, and neither was I

    Nobody was there, I wasn't, too.

- Vì chủ ngữ của câu này là "Nobody" là đại từ bất định ở thể phủ định, nên câu này được xem là câu phủ định.

4. Everybody is leaving in 10 minutes, so am I.

    Everybody is leaving in 10 minutes, I am too.

5. They are late, so are you.

    They are late, you are too.

6. They wouldn't understand me, and you wouldn't either.

    They wouldn't understand me, and neither you would.

    They wouldn't understand me, you wouldn't, too.

***

Either/Neither, Too/So là câu mang nghĩa đồng tình.

 - Đồng tình với "SO": (dùng trong câu khẳng định)

  `*` So + trợ động từ + S (với động từ thường)

 Ví dụ: She loves cats, so do I.

  `*` So + tobe + S (với động từ tobe)

 Ví dụ: She is a lawyer, so am I.

 - Đồng tình với Either/Neither: (dùng trong câu phủ định)

 `+` Either:

  `*` S + trợ động từ + NOT + either.

 Ví dụ: She doesn't like eating sandwiches, and I don't either.

  `*` S + tobe + NOT + either.

 Ví dụ: She isn't over there, and I am not either.

 `+` Neither:

  `*` Neither + trợ động từ + S.

 Ví dụ: She doesn't like eating sandwiches, and neither do I.

  `*` Neither + tobe + S.

 Ví dụ: She isn't over there, and neither am I.

 - Đồng tình với TOO: (dùng được ở thể phủ định, khẳng định, nghi vấn)

  `*` S + trợ động từ (not), too.

 Ví dụ: She likes that comic, I like it, too.

  `*` S + tobe (not), too.

 Ví dụ: She is a careful driver, I am, too.