分类：教育/科学-外语学习-英语考试
问题：解释一句话Bysigningthisapplication,Ia 
By signing this appliion,I ask that an account (be opened) for me and a credit card issued as Irequest.括号里的部分为什么不是to be opened,或will be opened？
回答：括号里面的是should be opened,在suggest,demand,ask这些表示祈求或命令的动词后面,从句的谓语用should + 动词原形.在此句中,用的是被动语态,should常常被省略.