在英语语法中,常常出现with放句首的情况。这种语法结构在英语中被称为"with短语"。
With短语是用来描述主语状态、条件或情况的一种方式。在句子中,with短语通常放在句首,后面紧跟着一个逗号,然后是主语和谓语。
以下是一些例子:
- With a smile on her face, she greeted her guests.
- With the wind blowing fiercely, we had to hold on tight to our hats.
- With his knowledge and experience, he was able to solve the problem quickly.
可以看到,with短语在这些句子中起到了很好的修饰作用,使句子更加丰富和生动。
另外,with短语也可以用于强调句子中的一个词或短语。通常情况下,这种用法需要将with短语放在句子的开头,并使用倒装语序。例如:
- With his new bike did he ride to school. (强调"his new bike")
- With great care should you handle this delicate instrument. (强调"great care")
需要注意的是,使用with短语的时候,需要确保其与主语和谓语之间保持一致。例如:
- With a book in his hand, John walks to school.
- With books in their hands, John and Tom walk to school.
在以上两个句子中,with短语后面的主语和谓语都保持了单数和复数的一致。
总的来说,with短语是英语语法中一个非常常见的结构,可以用来修饰句子,强调某个词或短语。只要注意语法的一致性,使用起来也非常方便。