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1）主语
动名词和不定式均可以充当句子的主语，可以避免人称如“people，we”频繁做主语的情况。
如：Living in school can save them a great deal of time on the way between home and school everyday.
Parents are firmly convinced that, to send their children to kindergartens or nursery schools will have an unfavorable influence on the growth of children.
考生可以模仿以上例子，结合被动语态及形式主语，更准确地对其进行使用。
2）宾语
非谓语动词充当宾语时的用法与主语基本相同，值得注意的是，不定式常常以“v.+(to) do”的形式出现。考生应在备考前总结日常作文中高频使用的动词，如fail to do, prefer to do等。
如：Young adults usually prefer to take outdoor exercises rather than indoor ones.
同样的，对于一些后面加动名词的动词，考生也应加以熟悉，如object to, deny等。
The majority of people object to smoking in public.
在雅思作文中经常会有对于“原因、影响、建议”的讨论，或是人们对某一问题持不同看法。我们也可以将不定式与疑问词连用，构成“wh-+ to do”的结构。 |