GV

So do I / Neither do I

Agreeing with statements: So do I, Neither can she, I do too, I don't either

intermediate

When to Use So do I / Neither do I

  • •Agreeing with positive: 'I like pizza.' 'So do I.' / 'I do too.' / 'Me too.'
  • •Agreeing with negative: 'I don't smoke.' 'Neither do I.' / 'I don't either.' / 'Me neither.'
  • •Match the auxiliary: 'I can swim.' 'So can I.' 'I have been there.' 'So have I.'
  • •Match the tense: 'I went.' 'So did I.' 'I'm tired.' 'So am I.'
  • •Formal: So/Neither + auxiliary + subject. Informal: Me too/Me neither.

How to Form So do I / Neither do I

Affirmative (+)

So + auxiliary + subject (So do I, So can she, So have we)

Negative (-)

Neither + auxiliary + subject (Neither do I, Neither can she)

Question (?)

Rarely used in questions

💡 Auxiliary must match the original statement. Use 'do/does/did' for simple tenses.

Examples of So do I / Neither do I

✓'I love chocolate.' 'So do I.'

✗'I love chocolate.' 'So I do.'

Invert: So + auxiliary + subject.

✓'She can't drive.' 'Neither can I.'

✗'She can't drive.' 'Neither I can.'

Invert after neither.

✓'I've been to Paris.' 'So have I.'

✗'I've been to Paris.' 'So do I.'

Match the auxiliary (have, not do).

Common Mistakes with So do I / Neither do I

💡 Practice Tips for So do I / Neither do I

  • • Positive → So + auxiliary + I (So do I, So am I, So can I).
  • • Negative → Neither + auxiliary + I (Neither do I, Neither am I).
  • • Informal: Me too (positive), Me neither (negative).
  • • Always match the auxiliary from the original statement.
Quick Quiz
  1. 1.'I love chocolate.' ' '
  2. 2.'I don't smoke.' ' '
  3. Question 3: 'I'm tired.' 'blank am I.' (positive agreement)
    3.'I'm tired.' ' am I.' (positive agreement)
  4. Question 4: 'I've been to Paris.' 'So blank I.' (match the auxiliary)
    4.'I've been to Paris.' 'So I.' (match the auxiliary)
  5. Question 5: 'She can't drive.' 'Neither blank I.' (match the modal)
    5.'She can't drive.' 'Neither I.' (match the modal)
  6. Question 6: 'I went to the party.' 'So blank I.' (match the past auxiliary)
    6.'I went to the party.' 'So I.' (match the past auxiliary)
  7. Question 7: 'I haven't finished.' 'blank have I.' (negative agreement)
    7.'I haven't finished.' ' have I.' (negative agreement)
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