1、No one to wake me up,I might be late for the first class.
如果没人叫醒我，我第一节课可能会迟到。（逻辑主语+不定式）
2、All the students having sat down,the lecture began.
所有学生坐好之后，讲座开始了。（逻辑主语+现在分词）
3、The test finished,we wil have our summer vacation.
考试结束后，我们将开始放暑假了。（逻辑主语+过去分词）
4、Many people come to visit the city,most of them foreigners.
很多人来参观这个城市，其中大多数是外国人。（逻辑主语+名词）
5、Many people were lined along the streets,flags in hands.
很多人排队站在街道旁，手里拿着旗子。（逻辑主语+介词）
6、The game over,the audience applauded.
比赛结束，观众鼓掌。（逻辑主语+副词）
