卫生类职称英语考试语法：

分词：包括现在分词和过去分词两类。

现在分词由动词原形+“ing”构成。规则动词的过去分词由动词原形+“ed”构成。

（1）作定语

China is a developing country.

It is a well-written article.

（2）作表语

This novel is very interesting.

The theory sounds quite convincing.

（3）作状语

①表示时间

Having worked for three hours,she took a rest.

Opening the drawer,he took out a book.

②表示原因

Inspired by the teacher,the students studied even harder.

③表示伴随或方式

Laughing and talking,the children went out into the garden.

④表示结果

The bus was held up in the snowstorm,thus causing the delay.

Last year the yield climbed again,reaching 1,300 kilograms.

（5）作独立主格

All things considered,the commodities are the best in our firm.

His work finished,he prepares to return to his company.