Unit 4
Body language
现在分词作定语，当分词单独做定语时，放在所修饰名词前。
现在分词作定语(Revision)
1）a walking stick    drinking water    a waiting room     
2） working people= the people who are workingthe rising sun= the sun that is rising
表功效特，性点
表动作进行
3） a surprising result   boring music
表性质和特征
动词 -ing 形式是短语，应放在所修饰名词后，相当于一个定语从句。
They are visitors coming from several countries.
who come from several countries.
Three days later I received a letter offering me the job.
which offered me the job.
The girl standing there is my ...