My teacher says:"you main job is study hard ."这句话对么?不对怎么改.怎么改间接引语

问题描述:

My teacher says:"you main job is study hard ."这句话对么?不对怎么改.怎么改间接引语

正确的句子是:My teacher says,"Your main job is studying hard."
改为间接引语:My teacher tells us that our main job is studying hard.