I know we must use to + infinitive when expressing purpose.

Like in """ I´ve come to help you"

However I´ve come across many sentences in which for + gerund is used. When can I use this type? Any rules?

Like in ""Another reason for doing it is...."


2 Answers


tiffy 7330

Hello! for can be combined with a gerund clause. As a guide, the sentence you will create must answer this question "What is it for?"

For example:
The scissor is for cutting the ribbon during the show.
The white box contains a solution that is used for cleaning the table.

I hope this helps!


You can use the questions:

  • what to do?
  • for what?

Hope that helps.

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