Grammar fix

not to mention

additionally emphasising

Used to introduce extra information that makes your point even stronger, often highlighting something important or impressive in addition to what was just said.

expressionC1occasional

Hear it in context

Notice where the phrase sounds natural.

The new job offers a great salary, not to mention flexible working hours.

There are many benefits to studying abroad, such as improving language skills, not to mention gaining a deeper understanding of different cultures.

Fix the pattern

One small grammar move makes it sound right.

Not: The trip was long, not mention expensive.

Say: The trip was long, not to mention expensive.

Fixed phrase 'not TO mention' — don't drop 'to'.

  • Pattern
  • [main point], not to mention [additional point]

Which sounds natural?

Tap the one a native speaker would say.

Build natural chunks

Words that usually travel with it.

not to mention

  • not to mention the
  • not to mention that
  • , not to mention

Don't confuse it

Try it in Daily Speak