英语强调句型是强调句子中某个词或短语的重要工具。主要有三种类型：'It is {被强调的内容} that/who...'强调主语，'{被强调的内容} is/are {强调的程度} that/who...'强调谓语动词或形容词，'{被强调的内容} {do/does/did} {强调的程度}'强调动词。使用时要确保强调内容与上下文相关，语法和语境正确。

1. It is {被强调的内容} that/who...

这种强调句型强调的是主语，通常用于强调重要性或改变话题。例如：

It is the teacher who inspires me to learn English every day.

It is the hard work and dedication that lead to success.

2. {被强调的内容} is/are {强调的程度} that/who...

这种强调句型强调的是谓语动词或形容词，通常用于强调程度或感叹。例如：

The weather is so hot today that I can't concentrate on anything.

The movie was so good that I watched it twice.

3. {被强调的内容} {do/does/did} {强调的程度}.

这种强调句型强调的是动词，通常用于强调行为或情况。例如：

I did study for the test, but I still didn't do well.

She does speak Spanish fluently.

使用英语强调句型时，要注意强调的内容应该与上下文相关，不能随意强调。同时，也要注意句子的语法和语境是否正确，以避免出现语法错误或语义不清的情况。