要写好高中英语句子，首先需要掌握基本的语法规则，包括时态、语态、主谓一致等。

其次，要注意句子的结构，如简单句、复合句和复杂句。此外，使用恰当的词汇和短语来丰富句子的表达。最后，确保句子清晰、准确且符合英语习惯用法。例如：

1. 使用正确的时态：I have finished my homework. (现在完成时)

2. 注意主谓一致：The team consists of ten players. (team是单数，所以动词用单数形式consists)

3. 使用恰当的词汇和短语：She is fond of reading books in her spare time. (fond of表示喜欢)

4. 保持句子简洁明了：He went to the library to study for his exam. (直接了当的表达方式)

5. 遵循英语习惯用法：I would appreciate it if you could help me with this task. (礼貌的请求帮助)通过不断练习和阅读英文材料，你将能够写出更流畅、更地道的英语句子。