【摘要】：2013四级考试进入了最后的冲刺阶段，语法的知识点是难点和重点，以下是精品学习网特为考生们整理了2013英语四级语法;非谓语动词作主语时的主谓一致,希望能给广大考生们在复习中作出一点贡献。预祝考生们通过考试!
非谓语动词(主要指不定式或动名词)作主语时，谓语动词通常用单数。如：
1. 动名词作主语
Having to change trains is a small inconvenience. 换乘火车多少有些不便。
Being deaf and dumb makes communication very difficult. 又聋又哑很难与人交往。
Watching the event on television was a poor substitute for actually being there. 从电视上观看那个比赛比现场观看可差远了。
Reading by artificial light is bad for the eyes. 阅读时使用人工照明会损害眼睛。
Writing a dictionary is a long and difficult business but we’re getting there. 编写词典是费时费事的工作, 但我们一定能成功。
Writing a book was a more difficult job than he’d thought. 写书这工作可比他原来想像的难得多。
2. 不定式作主语
To say you were ignorant of the rules is no excuse. 说自己不知道规则是不能成为藉口的。
How to earn daily bread by my pen was then the problem. 如何靠我的笔维持生计在当时是一难题。
To have such an easy examination paper was a gift from the gods. 碰到这样容易的考卷, 那是老天爷的恩赐。
To say you were ignorant of the rules is no excuse. 说自己不知道规则是不能成为藉口的。
To say that he was displeased is an understatement. 说他不高兴是重事轻说。
To move house requires forward planning. 要搬家得先做好计划。