Prepositional Phrases: In Charge Of, On Behalf Of

Use fixed phrases like in charge of, on behalf of, in light of and at odds with accurately in speech, emails and formal writing.

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In short

Phrases like in charge of, on behalf of and in light of work as single units of meaning. Every word in them is fixed, so one wrong preposition or a missing the makes an otherwise advanced sentence sound off to a native speaker.

The pattern

Phrase + noun
Danasubjectisverbin charge ofphrasethe Denver officeobject

Dana is in charge of the Denver office.

Phrase + -ing
The startupsubjectisverbon the verge ofphraseclosing a big deal-ing form

The startup is on the verge of closing a big deal.

Phrase at the start
In light of the storm,phrasethe gamesubjectwas postponedverb

In light of the storm, the game was postponed.

01Fixed means fixed

You can't swap the preposition or add or drop an article. It's in charge of, not in charge for. It's out of the question, not out of question. It's under pressure, not in pressure. When a phrase ends in a preposition, it's followed by a noun, a pronoun or an -ing form.

PhraseMeaning
in charge ofresponsible for and managing
on behalf ofrepresenting someone else
in favor ofsupporting; or chosen instead of
at odds within conflict or disagreement with
in light ofbecause of something new
by means ofby using
on the verge ofvery close to
out of the questionimpossible, not allowed

02People, roles and opinions

In charge of names a responsibility. On behalf of means you act or speak for someone: on behalf of the team, or with a possessive, on my behalf.

In favor of usually means supporting, but after verbs like reject or drop it means chosen instead: they dropped the logo in favor of a simpler one. At odds with describes people who disagree, or facts that don't match.

  • I'm calling on behalf of Dr. Nguyen's office.
  • Most voters are in favor of the new library.
  • His account is at odds with the police report.

03Formal linking phrases

These are common in reports and business email. In terms of narrows the topic to one aspect: in terms of cost. With regard to means about; in speech, most people just say regarding or about. In light of means because of new information. By means of means by using, and it sounds formal.

In response to and in line with follow the same model: in response to your email, in line with company policy.

  • In terms of salary, the offer is excellent.
  • With regard to your invoice, payment was sent Monday.
  • In light of the delay, we'll refund your fee.

04States and situations

On the verge of and on the brink of mean very close to a big change. Under pressure, under control and under construction describe a situation. At risk of means a bad result could happen. Out of the question closes a discussion politely but firmly.

05Common mistakes

Who is in charge for the Chicago office?

Who is in charge of the Chicago office?

The phrase is always in charge of.

A raise is out of question this year.

A raise is out of the question this year.

The fixed phrase needs the.

She's on the verge to quit.

She's on the verge of quitting.

Of is a preposition, so it's followed by an -ing form, not to + verb.

Everyone makes mistakes in pressure.

Everyone makes mistakes under pressure.

We say under pressure, like under control.

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