动词-ing形式作定语时与所修饰的名词之间是主动关系,表示动作正在进行;而过去分词作定语时,则表示被动或完成意义。如:

　　Mr.Smith,tired of the boring speech,started to read a novel.

　　The prize of the game show is $30,000 and an all expenses paid vacation to China.

　　Step 2:过去分词作表语

　　【观察思考】

　　仔细观察下列句子中的过去分词的用法。

　　1.The street is lined with small shops.

　　2.Tom was astonished to see his father.

　　　　【归纳总结】

　　过去分词作表语时,与谓语动词构成　　　结构,表示主语的性质、特征和　　　。

　　课堂练习

　　挑战一　小试牛刀

　　1.In autumn,　　　(落叶) can be seen everywhere.秋天,到处可以看到落叶。

　　2.地上覆盖着雪。

　　3.I found that 　　　　　　　　　　(我迷路了).

　　4.The wheat is watered by water 　　　(bring) from a pond.

　　5.He is a leader　　　(respect) by the people.

　　6.Any medicine 　　　(服用) without the advice of a doctor can cause trouble.

　　7.We spent two hours discussing the plan 　　　　　　　　　(她制定的).

　　8.Most of the people 　　　　　　　　　(被邀请参加会议的) were famous scientists.

挑战二　链接高考