一、日常交流类

1. 问候与介绍

Hello/Hi! How's your day going？

My name is... I'm from...

Nice to meet you!

2. 常见疑问句

What time do you usually do your homework？

Where do you live？

Can you help me with this？

二、学校生活类

1. 学习相关

Can you spell this word？

I don't understand this sentence.

Let's discuss this in class.

2. 行为规范

Please don't run in the hallway.

You must finish your homework before class.

It's important to be punctual.

三、兴趣爱好类

1. 运动与才艺

I play football every day.

I can play the guitar and the piano.

I love painting and telling stories.

2. 俱乐部活动

I want to join the basketball club.

This summer I plan to learn to play the drums.

Can you recommend a good book for my story club？

四、家庭与生活类

1. 家庭成员

This is my father. He's a doctor.

My sister likes to read and travel.

We have a pet cat named Luna.

2. 日常活动

I usually get up at 6 a.m.

Last weekend we went to the beach.

I help my mom cook dinner on weekends.

五、特殊场景类

1. 突发情况

What should I do if I forget my keys？

The fire alarm went off! Is everyone safe？

I'm lost! Can you show me on the map？

2. 社交邀请

Would you like to come to my birthday party？

Let's watch a movie tonight.

I need your help with this project.

这些句子覆盖了七年级下册英语学习的重点场景，建议结合实际语境进行练习和应用。如需更详细的解释或例句，可参考教材或权威词典。