分类：教育/科学-学习帮助
问题：几个语法问题1、I_______(be)abletodrivew 
1、I_______(be)ae to drive when i have passed the driving test.2、she  was so  interested in the story that she_____(resd)it for three hours before she realized it.烦请讲解一下，谢谢。
回答：1 will be 因为能够开车是在通过考试以后　从句用了现在完成时　那主句就用将来时　
２用　had read　过去完成时　过去完成时表示过去的过去　是three hours 的过去