那些大师来帮帮忙，小弟感激不经
Rain started to fall in torrents，so the company picnic was cancelled. Because the rain started to fall in torrents， the company picnic was cancelled. Rain started to fall in torrents，therefore the company picnic was cancelled.
We need a long break and a cold drink for we just spent four hours paving the driveway. Since we just spent four hours paving the driveway, need a long break and a cold drink. We just spent four hours paving the driveway, consequently need a long break and a cold drink.
The bus schedule was difficult to read, but Penny found the right bus. The bus schedule was difficult to read, however, Penny found the right bus. Although the bus schedule was difficult to read, Penny found the right bus.
Don is an expert mechanic and he intends to open a service center. Don is an expert mechanic,furthermore, he intends to open a service center. Because Don is an expert mechanic, he intends to open a service center.
Charlie can't turn down chocolate, but he is not prone to cavities. Although Charlie can't turn down chocolate, he is not prone to cavities. Charlie can't turn down chocolate, however, he is not prone to cavities.
谢谢采纳~~~！！
举个中文的例子：我吃了饭 然后 我又去见楼主。
像这样，实在不会就去找英文语法的网站吧！^_^
汪，采纳！
