Gastritis, and nosebleeds and sickly feeling :(

There are four actions in classroom pair work [Grammar corrections. Not sure what pre-pairwork is.]

Point ing out students' wrong pronunciation is not be in accurate English sentence.

All pair work must be done in English only. [OR It is not permitted to speak in other languages besides English.]

Advise students on how to improve their pronunciation. [OR Give advice to students~]

If students cannot pronounce, penalize the students. [OR give students a penalty.]

Ggastritis, and nosebleed and a sickly feeling :(

tThere are four actions in preparing the class for pre pairwork Comment: I knew what you meant, the your original wording is a bit of jargon which other people may not understand.

pPointing out students' incorrect pronunciation, pronounciation is not be acuuret even in grammatically correct English sentences.

Make sure that you (the teacher) It is never leaves always uses that accuret accurate English pronouciation pronunciation.

If students cannot pronounciation pronounce correctly, make students them pay a penalty. Comment: It is not clear here whether individual students, groups of students, or the entire class, would be penalized.

pre-pairwork

Gastritis and nosebleeds and generally feeling sick :(

There are four actions to pre-pairwork

Pointing out that students mispronounciation is not be accurate English sentence.

It should never leave that accurate English pronouciation.

Advise students on how to improve pronounciation.

If students cannot get the pronounciation, give them a penalty.