14 Useful Prepositional Phrases with IN

in advance
in all likelihood
in answer to / in reply to
in charge (of)
in comparison with
in doubt
in favour of
in jeopardy
in the long/short run; in the long/short term
in principle
in relation to
in retrospect
in short
in trouble

So I haven’t written definitions as I would like you to try to figure out the meanings from the context. It requires a little more effort on your part but it will pay off (= bring you benefits in the future) Anyway, online dictionaries are just a click away if you want to check you have understood or would like further examples.

Examples:

We will need to know in advance how many people are coming.

If you cancel the hotel room 24 hours in advance there is no charge.

In all likelihood the boss will retire in the next year.

In answer to your first question, no, the tour is not being cancelled.

I am writing in reply to your email of 10 September.

I’d like to speak to the person in charge, please.

Michael is in charge of the IT department.

In comparison with our last Maths exam, this one was really easy.

Our trip is in doubt. (= it may not happen)

He’s in favour of stricter gun control.

Fire fighters often put their lives in jeopardy.

Your hard work and dedication will pay off in the long run.

Our teacher asked us to set three goals we would like to achieve in the short term.

In principle it should work but until we try it, we won’t know for sure.

Several people have been arrested in relation to the robbery.

What’s your opinion in relation to nuclear power?

“In relation to London, where is Gatwick Airport?” – “It’s south of London.”

His comments do seem strange now, in retrospect.

In short, it’s a bad idea.

In short, the article said that learning a foreign language is wonderful for your brain.

If your mother catches you smoking you’ll be in trouble.