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Grammar reference

Gerunds & Infinitives

Prepositions Followed by Gerunds

Verb plus preposition patterns.

b1

Explanation

After a preposition the verb always takes -ing, including in fixed phrases such as look forward to, interested in, good at, instead of and before. The to in look forward to is a preposition, not an infinitive marker.

Examples

  • I am looking forward to meeting you.
  • She is good at solving puzzles.
  • Instead of waiting, we left.

Common mistakes

  • I am looking forward to meet you.

    I am looking forward to meeting you.

    To here is a preposition.

  • She is good at solve puzzles.

    She is good at solving puzzles.

    Prepositions take -ing.

  • Instead of to wait, we left.

    Instead of waiting, we left.

    No infinitive after a preposition.

More Gerunds & Infinitives