初中英语课堂教学用语可以分为五大类：招呼/问候语，提问语，反馈语，指示/演示语，以及其他常用语。以下是一些具体的用语示例：

招呼/问候语

Good morning, class! / Good afternoon, class!

Hello, boys and girls / children.

How are you today？

提问语

May I know your name？

Could you tell me your name, please？

Who’d like to have a try？

What’s your name？

反馈语

Good!

Well done!

Great!

Wonderful!

Come on!

You are very smart!

指示/演示语

Hands up.

Hands down.

Attention, please!

Are you ready？

One by one.

Practice in pairs.

Put the book in your desk.

其他常用语

Let’s start now. / Let’s begin our class/lesson.

Stand up, please.

Sit down, please.

Who is on duty today？

Is everyone / everybody here / present？

Is anyone/anybody absent？

Who wants to be the dog？

I’m sorry I’m late.

Please come earlier next time.

Class begins.

Yes, you may.

这些用语能够帮助教师有效地组织和管理课堂，同时也能激发学生的学习兴趣和参与度。建议教师在教学中灵活运用这些用语，并根据具体教学情境进行适当调整。