Don’t teach mispronunciation and misuse of phrases.  Good modelling of language, rich and engaging vocabulary entices others to broaden their use of language. The spoken word is powerful and influential, use it well and you will inspire others.

Language development is largely learnt by listening.  Mispronunciation and incorrect use of phrases can be passed on to others without their knowledge of the incorrect use.

This article shared from the Grammarly blog covers 10 common mistakes

Are you mispronouncing these words and misusing these phrases in your speeches, lectures or teaching in class?