A front vowel is a vowel that is articulated with the front part of the tongue.

Please read the front matter of this book before starting to read the main text.

She was cooking in the kitchen with an apron on.

His live performance was very moving.

He is leaning forward to work on the new project.

We visited a beautiful park to do pre-wedding photography.

He clearly expressed his will and intentions.

His testimony was decisive in the trial.

He testified in court about what he saw.

He is trying to get a promotion by saying flattering words to his boss.