英语语法专家 下面三个个问题 1.The People's Courts maintain order in the market economy,crack down on embezzlement and briber,punish corruption,handle civil,economic and administrative cases,balance economic relations,resolving social conflicts,and upholding social justice.（人民法院维护市场经济秩序,坚决打击贪污贿赂犯罪,惩治腐败,依法审理民事、经济、行政案件;调节经济关系,化解社会矛盾,维护社会正义.）这句话中为什么crack down,punish,handle用的是原型?而resolving和upholding却用ing呢?2.The People's Courts pass fair judgments in social conflicts an

英语语法专家 下面三个个问题
1.The People's Courts maintain order in the market economy,crack down on embezzlement and briber,punish corruption,handle civil,economic and administrative cases,balance economic relations,resolving social conflicts,and upholding social justice.（人民法院维护市场经济秩序,坚决打击贪污贿赂犯罪,惩治腐败,依法审理民事、经济、行政案件;调节经济关系,化解社会矛盾,维护社会正义.）这句话中为什么crack down,punish,handle用的是原型?而resolving和upholding却用ing呢?
2.The People's Courts pass fair judgments in social conflicts and disputes,and have become an indispensable part of our economic development and social life.（人民法院对各种社会矛盾和纠纷的依法公正裁判，成为经济发展和社会生活中不可或缺的一个重要环节）这句话中的have的主语是什么？为什么？
3.There will also be time for question。（然后还有提问时间）这句话中的be怎么理解？（如果是have我就明白！)