(时间)1.Hearing the cry for help, he rushed out.
2.Having finished doing his homework, he goes on to watch TV.
(条件)3.Seeing from the hill, you can get the whole town.
4.Boiled, the water can be drunk.
5.Given more time , I can finish all the work.
(原因)6.Thinking that the petrol in the car would catch fire, they ran to the damaged car and pulled Tom out of it.
(方式)7.The farmer came riding by and lent him a hand.
(伴随)8.He read a magazine, waiting for the bus.
应该每个类型都涉及了 自己选择吧
