英语：：什么时候句首用动词ing形式，什
ing作 状语或住语时 ，如:
Being a party member, you should set an example for the others。(原因 状语)
Being a party member is a pride。 (做主语)
Seeing that the work needs help,he offeres to help them。(原因 状语)
你的句子look up the word in the dicitionary and you will know what it means 是另 一种句型：
祈 使 句+and/or+陈述句（一般现在时 ），前...全部
ing作 状语或住语时 ，如:
Being a party member, you should set an example for the others。(原因 状语)
Being a party member is a pride。
(做主语)
Seeing that the work needs help,he offeres to help them。(原因 状语)
你的句子look up the word in the dicitionary and you will know what it means 是另 一种句型：
祈 使 句+and/or+陈述句（一般现在时 ），前边的祈 使 句相当于表示条件，但如果用If you look up the word in the dicitionary ,就不能用and或or 。
再 如：
Use your head and you will find a good idea。
Hurry up ,or we'll be late。
Don't move , or I will fire。
。收起
