一、强调句型

结构：It is/was + 被强调部分 + that/who + 其他

用法：强调除谓语外的句子成分，被强调部分为人时可用that或who，为物时只能用that

例句：

1. It was my teacher who helped me solve the problem. （强调主语）

2. It was in the park that I met my old friend yesterday. （强调地点状语）

3. The movie was so good that I watched it twice. （强调结果）

二、结果状语从句

1. so...that... 结构：so + 形容词/副词 + that从句（表示“如此……以至于……”）

例句：She was so tired that she couldn't walk any further.

2. such...that... 结构：such + a/an + 形容词 + 可数名词单数 + that从句

例句：The weather is such a beautiful day that we all want to go out for a picnic.

三、时间状语从句

1. as...as 结构：as + 形容词/副词原级 + as（否定式：not as/so...as）

例句：He is not as good a player as his sister.

2. it was...before 结构：It was + 时间段 + before + 一般过去时（动作已发生）

例句：It was not long before he sensed the danger of the position.

3. it will be...before 结构：It will be + 时间段 + before + 一般现在时（动作未发生）

例句：It will be half a year before you graduate from the school.

四、让步状语从句

1. as long as 结构：as long as + 条件

例句：As long as you study hard, you can pass the exam.

2. but for 结构：but for + 原因

例句：But for the rain, we would have gone hiking.

五、特殊句型

1. what...for 结构：询问原因

例句：What's the matter with your watch？

2. how much + 不可数名词 + do you... 结构：询问数量

例句：How much water do you drink every day？

以上句型覆盖了高中英语中的高频用法，建议结合具体语境进行练习。如需进一步巩固，可参考权威语法书籍或在线资源。