含有非谓语动词的句子

非谓语动词包括：动词不定式、动名词、现在分词和过去分词。使用非谓语动词可以用较少的词表达同等甚至更加丰富的信息，使句子结构紧凑、逻辑严谨。

如：原句：It must be realized that people should be cautious when they decide which books they should choose to read since if they read bad books，it will be time-wasting and harmful.(https://www.daowen.com)

优化：It must be realized that people should be cautious when deciding which books to read since reading bad books is time-wasting and harmful.

原句：Because one of my parents is laid off，my family can’t possibly afford all my expenses at college.

优化：With one of my parents being laid off，my family can’t possibly afford all my expenses at college.