写礼貌的英语作文时，可以遵循以下几个原则和建议：
使用礼貌用语：
在作文中频繁使用“please”（请）、“thank you”（谢谢）和“sorry”（对不起）等礼貌用语，这些是表达礼貌的基本词汇。
表达尊重：
在描述他人或事物时，使用尊重的语气和措辞，避免使用粗鲁或贬低的语言。
注意语气：
保持礼貌的语气，即使在讨论争议性话题时，也要尽量平和、理性地表达观点。
使用恰当的称呼：
在称呼他人时，使用适当的尊称，如“Mr.”、“Mrs.”、“Miss”或“Ms.”，以及在适当的情况下使用名字或昵称。
注意个人形象：
在作文中展现良好的个人形象，如守时、遵守承诺、关心他人等。
使用礼貌的请求：
在提出请求时，使用礼貌的措辞，并明确表示希望对方能够给予帮助或考虑。
避免过度夸张：
在表达感谢或道歉时，避免过度夸张，保持真诚和适度。
注意语法和拼写：
正确的语法和拼写不仅有助于清晰地传达信息，也体现了写作者的礼貌和专业性。
How to Be a Polite Child
Hello everyone, today I am going to talk about how to be a polite child.
Everyone likes polite children. They are respected and admired by others. But what should we do to be polite？
Firstly, we should use polite language. Words like "please," "thank you," and "sorry" are very important. We should use them whenever we speak to others. Secondly, we should respect others' feelings and opinions. If we hurt someone's feelings, we should apologize sincerely.
Moreover, we should be punctual and keep our promises. This shows that we are responsible and trustworthy. Also, we should be kind to others and help them when they need it.
In conclusion, being polite is very important. It helps us build good relationships with others and makes us more respected and admired. Let's all try to be polite children and spread kindness and respect in our daily lives.
希望这些建议能帮助你写出礼貌的英语作文。