高中英语高级句型包括以下几种：
强调句
主语 + cannot emphasize the importance of … too much. （再怎么强调……的重要性也不为过｡）
否定必要条件句
There is no need for sb to do sth. （某人没有必要做……）
借助于某种方式或手段
By + doing…， 主语 + can … （借着……,……能够……）
使役动词句
… enable + sb. + to + do… （……使……能够……）
表达个人观点
As far as I am concerned, I agree with the latter opinion to some extent. （就我而言，在某种程度上我同意后者的观点｡）
As far as I am concerned, I am really/completely in favor of the test/policy. （就我而言，我真的/完全支持这场测试/这个政策｡）
In conclusion/a word, I believe that… （总之，我相信......）
There is some truth in both arguments, but I think the disadvantages of…outweigh its advantages. （这两种观点都有一定的道理，但我认为……的缺点超过了它的优点｡）
倒装句
Not only ... but also... 引导的倒装：The activity not only can enhance our English level, but it can also broaden our horizons.
Only + 副词/介词短语/状语从句作主语， 句子用部分倒装：Only recently did I understand what he did for me.
Only in this way can we live in a more harmonious society.
Only when he told me did I know the truth.
原因状语从句
The reason why + 完整句子 is that + 完整句子：The reason why I will fail to go there is that I will attend a family get-together tomorrow when my cousin Peter will return.
这些句型在英语写作中非常有用，能够帮助你表达更丰富、更准确的意思。建议你在平时的学习和练习中多加运用，以提高英语写作水平。