failing a subject

I want to avoid failing.

私は落第を避けたいです

I want to avoid failing the math subject.

私は数学科目の落第を避けたいです

I want to avoid failing the math subject, so I go to the study room.

私は自習室で数学科目の落第を避けたいです

I want to avoid failing the math subject, so I go to the study room every night.

私は毎晩、自習室で数学科目の落第を避けたいです

I want to avoid failing the math subject, so I go to the study room with my friend every night.

私は友達と毎晩、自習室で数学科目の落第を避けたいです