用英语进教室报告怎么说

To report to the classroom in Engpsh, you can say:

"Excuse me, I'm here to report for class."

"Hello, I'm here to join the class."

"Good morning/afternoon, I'm here to attend the class."

Make sure to greet the teacher and any other students poptely and to speak clearly and confidently. It's also a good idea to arrive on time and to have all necessary materials with you.