Grammar fix

a marked improvement

a marked improvement

a very noticeable and clear improvement, often used to highlight a significant positive change in quality, ability, or situation.

collocationC1occasional

Hear it in context

Notice where the phrase sounds natural.

There has been a marked improvement in her English since she started taking private lessons.

In my opinion, there has been a marked improvement in public transport over the past decade, making it much more convenient for commuters.

Fix the pattern

One small grammar move makes it sound right.

Not: There's a marked improvement on his grades.

Say: There's a marked improvement in his grades.

'An improvement IN something', not 'on'.

  • Pattern
  • a marked improvement (in something)

Which sounds natural?

Tap the one a native speaker would say.

Build natural chunks

Words that usually travel with it.

a marked improvement in

  • in
  • show
  • see
  • since

Don't confuse it

Try it in Daily Speak