Sentence types · CEFR B1 · Independent

So do I / Neither do I — English sentence types

To say "me too", repeat the helping verb after so, and the subject comes last. For agreeing with a negative, use neither or nor.

The shape

So + helper + I · Neither / Nor + helper + I

Agree with somebody in three words.

In Hindi

किसी की बात से सहमति दिखाने के लिए so के बाद सहायक क्रिया दोहराइए, और कर्ता आख़िर में आता है। नकार में neither या nor।

CoCap explains every structure in both languages, because a rule you understand in Hindi is a rule you can use in English.

The mistake to fix first

The sentence Indian-English speakers actually produce, and the reason it is wrong.

Commonly said	Correct English
So I do.	So do I. The helper comes before the subject — the order swaps.

Commonly said

Correct English

So I do.

So do I.

The helper comes before the subject — the order swaps.

Learn these first

These come first. The rest of this makes more sense once they are automatic.

do / does / did as the helperA1Turn any sentence into a question or a negative

Easy to confuse with

Close enough to be mixed up with this one. Knowing the difference is most of knowing either.

Questions people ask

What is the so do i / neither do i used for?: To say "me too", repeat the helping verb after so, and the subject comes last. For agreeing with a negative, use neither or nor. In practice: agree with somebody in three words.
How do you form the so do i / neither do i?: So + helper + I · Neither / Nor + helper + I.
What is the most common mistake with the so do i / neither do i?: Saying “So I do.” instead of “So do I.”. The helper comes before the subject — the order swaps.

Where so do i / neither do i fits

Where this structure sits in the ladder, and what surrounds it.

So do I / Neither do I is a CEFR B1 structure — the independent band — and it belongs to sentence types. CoCap’s syllabus files every structure this way so you can learn in order instead of jumping between whatever a search happened to return.

Reading it is not the same as saying it.

CoCap turns this page into practice: Hindi sentence in, English sentence out, corrected one thing at a time. Free, no card.

Practise the so do i / neither do i →

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