positive: 注意谓语动词的主谓一致采用就近原则。例如:<br>Either you or I am right. 不是你对,就是我对。<br>5. or在“either…or…”结构中,意为“要么……要么……”。连结的并列成份可在句中作主语、表语、谓语、宾语等。例如:<br>Either she or I am right.不是她对就是我对。(连接主语)<br>The shoes in the shop were either too big or too small for me. 店里的鞋对我来说不是太大就是太小(连接表语)<br>He either does his homework or watches TV on Sundays.他星期天要么做作业,要么看电视。(连接谓语)<br>We play either football or basketball in the afternoon.下午我们不是踢足球就是打篮球。(连接宾语)<br>6. or表示不确切、模糊的陈述。例如:<br>This story happened five or six years ago. 这个故事发生在四、五年前。<br>Is the street straight? More or less. 这棵树直吗?差不多。<br>She will find that she was wrong sooner or later.她迟早会发现她是错的
negative: turn one's back to背对;背弃turn one's back to sb.<br>turn down拒绝 ;把(声音)放低;调小turn down sth.如turn down the radio 调小点turn sb. down 拒绝<br>turn out关掉(火或热源);结果是;证明是,最后情况是;生产;(人群)出来(参加活动)turn out + (to be)+ adj/n<br>turn over移交 交给翻页;推翻turn 代词 over 例:turn it overturn over the book 把书翻过来<br>turn to求助于;变成turn to sb/sth<br>turn up来到;出现;开大声音sth. turn over the book 把书翻过来