1.以同位语作为句子的开头

The most popular teacher in New oriental, Ma Zihui, will attend the party.

2.以单个修饰语作为句子的开头

　　这个修饰语可以是形容词、分词或副词。

Young and ambitious,Jieyu works hard to teach English.

Secretly, the girl entered the room.

With a book in her hands, Fang Meng talked to a foreigner.

Exhausted, the students reached the top of the mountain.

3.以短语修饰语作为句子的开头

　　短语修饰语可以是介词短语、不定式短语、分词短语以及独立主格结构。

In front of me stood a beautiful girl.

To pass the exam, the students worked hard.

Confused about the problem, he went to ask for his teacher.

Your homework finished, you may go home.

4.用从句作为句子的开始

If I am free, I will attend your lecture.

Whenever one goes, whatever one does, one needs money.