Unit 3 life in the future
Grammar: V-ed as the adverbial

过去分词可以做______语、______语、______语、______语。
step1.下列句子中划线部分做什么成分？
He came back from the meeting, with a broken heart.   做______语
He is a person loved and respected by all people .     做______语
he children are very excited about going to the zoo.   做______语
Yesterday I had my hair cut.                     做______语
The old man had one leg lost in the war.            做______语

Step2.过去分词作状语
过去分词作状语，修饰谓语，大多说明动作发生的背景或情景，表示时间、条件、原因、让步、伴随情况等。一般说来，这一结构的逻辑主语是主句的主语。
a、表示时间
Seen from the space, the earth looks blue.
When it is seen from space, the earth looks blue.
b、表示条件
Kept in refrigerator, these vegetables will remain fresh.
If they are kept in refrigerator, these vegetables will remain fresh.
c、表示原因
Deeply moved by the story, the children began to cry.
As they were deeply moved, the children began to cry.
d、表示伴随情况
She walked out of the house, followed by her little daughter.
She walked out of the house,  and was followed by her little dau