4.三个不同人称同时出现,或者主语中包含“我”时,按照“you→he→I”的顺序表达。如：
Both he and I are working at that computer company.(我和他都在那家电脑公司上班) –Who will go there?(谁要去那儿？) –You and me.(你和我)
5.人称代词it除了可以指人指物之外,还可以表示“时间、天气、温度、距离、情况”等含义,此外还可以作“非人称代词”使用,替代作主语或者宾语的不定式、动名词或者名词性从句。如：--What’s the weather like today?(今天天气怎样？)—It’s fine.(天气晴好) / --What’s the time?(几点啦？) –It’s 12：00.(12点) / It’s a long way to go.(那可要走好长的路) / It took him three days to clean his house.(打扫屋子花了他三天的时间) / It is very clear that the public want to know when these men can go into space.(很显然,公众想知道这些人什么时候能进入太空) / We found it very difficult to learn a foreign language well.(我们发觉要学好一门外语是非常困难的)
