Period 4 单元语法讲练 介词短语 介词短语的作用相当于一个介词，其后可接名词、宾格代词、动词-ing 形式等。 常用的介词短语： 1．介词＋名词 at＋n． at ease放松，不拘束 at first首先 at peace和平 at present现在 at random随意 at risk有危险，冒风险 by＋n． by accident/chance偶然 by design故意 by hand手工 by heart凭记忆，背诵 by mistake错误地 in＋n． in advance提前 in brief简言之 in cash用现金 in common共同 in danger处于危险中 in debt负债 in detail详细地 in doubt不肯定，没把握 in fact事实上 in order正常，妥当 in person 亲自 in public当众 in trouble处于困境中 in turn轮流，转而 on＋n． on average平均 on business出差 on occasion偶尔 on duty值班 on guard值班，警戒 on purpose故意 on sale出售 on show/display展览 on strike在罢工 out of＋n． out of breath气喘吁吁 out of condition身体状况不佳 out of control不受控制 out of debt不欠债 out of fashion不流行 out of order出故障 out of sight看不到 out of work失业 under＋n． under attack被攻击 under consideration在考虑 under control处于控制之下 under discussion在讨论 under repair在维修 with＋n． with difficulty很难做 with ease轻松地，毫不费劲地 with pleasure非常愿意 with satisfaction满意地 in＋n．＋of in fear of害怕 in charge of负责 in honour/memory of纪念 in need/want of需要 in place of代替 in possession of拥有 in search of寻找 in case of万一 in terms of就……而言 in respect of关于 in spite of尽管 in praise of赞扬 [即时训练1] 单句语法填空 ①Some of the players may，_____ occasion，break the rules and be penalized． ②He passed the exam _____ ease． 2．名词＋介词 n．＋for an excuse for ……的理由 the need for对……的需要 the reason for ……的原因 the request for ……的要求 the respect for对……的尊重 the talent for ……的天赋 n．＋from absence from缺席 an escape from从……逃离 n．＋in the interest in对……的兴趣 progress in在……方面的进步 success in在……方面的成功 n．＋on the attack on对……的攻击 congratulations on对……的祝贺 the dependence on对……的依赖 an effect on对……的影响 an impression on对……的印象 an influence on对……的影响 concentration on对……的关注 n．＋to the access to接触……的机会 the answer to ……的答案 the approach to ……的方法 the attitude to对……的态度 the home to ……的家园 the key to ……的关键 the solution to ……的解决办法 [即时训练2] 单句语法填空 ①Congratulations _____ the success of your experiment! ②All this helps children to develop an inquiring attitude _____ learning． 3．动词＋介词 v．＋about complain about抱怨 learn about了解 set about着手做 talk about谈论 think about考虑 worry about担心 v．＋after chase/run after追赶 look after照顾 take after(长相、举止或性格)像 v．＋at aim at瞄准 glance at 瞥 knock at敲 laugh at嘲笑 shout at 冲……嚷 stare at盯着 v．＋for account for (数量上)占 apply for 申请 ask for询问 long for渴望 look for寻找 pay for付钱 seek for 寻找 search for搜寻 stand for代表 v．＋from differ from与……不同 hear from收到……的来信 keep/prevent/stop from阻止 learn from向……学习 sepa ... ...
