要点领悟
        人称和时态的误用是英语书面表达中最为常见的错误。英文写作对人称和时态的要求很严格。常用的时态有八种之多,初中阶段最常见有六种动词时态。在写作时,英语初学者要准确判断一个动作应该用哪种时态来表示。首先要判断动作发生的时间是现在、过去还是将来,注意动作是在进行还是已经完成等,据此确定该用什么时态;然后,要熟练掌握各种时态所必须使用的谓语动词结构和词形变化;整篇文章完成后,要检查“时态、语态、主谓一致”等是否正确。这样就可以少犯错误。

        电脑是当代的高科技产品(a high-tech product),在我们的生活中越来越普及,几乎深入到每个家庭。电脑可以帮我们处理(handle)很多事情。列举一些事例,写一篇关于电脑在日常生活中的用途的文章,说明电脑的利弊。

习作实况
        The computer — a high-tech product, has become so popular that they are (1) seen in almost every family. It is playing an important role in our everyday life. The computer will help (2) us handle many matters: official business, chat online, study, sending e-mails, long-distance education and entertainment such as listening to music and watching video.