现在分词Form: n doingn having done（先后关系）现在分词表示主动含义或动作正在进行。Exercise: 划出句中的现在分词，并指出它在句中做何成分。1. The three contestants were sitting at their desks on the stage, waiting.2. Hearing the news, he jumped with joy.3. Having finished his homework, he went out.4. People living in the cities used to regard farming as boring and backward.5. The changes in Sunqiao is very amazing.现在分词做定语：Exercise: Combine each pair of sentences1. The men are required to come to the headmasters offi
