allow的用法及例句

allow的用法及例句

allow 的用法及例句

一、基本含义 allow 是一个常用的英语动词,其基本含义为“允许”或“准许”。它通常用于描述某人或某机构给予另一人或某事以某种权利或机会。

二、常用结构

  1. allow sb to do sth:允许某人做某事

    • 例句:My parents don't allow me to stay up late.(我父母不允许我熬夜。)
  2. allow doing sth(较少见,但在某些语境中可用):允许做某事(注意:这种用法不如第一种常见,且有时可能因语境而异)

    • 例句(较少用):The rules don't allow smoking in the building.(规则不允许在建筑内吸烟。*更常见的表达是 The rules don't permit smoking in the building.)
  3. allow sb sth:给予某人某物;允许某人拥有某物(这里的 sth 通常是表示物品或机会的名词)

    • 例句:She allowed her son an extra hour to finish his homework.(她允许她的儿子多花一个小时来完成作业。)
  4. be allowed to do sth:被允许做某事(被动语态)

    • 例句:Students are not allowed to use mobile phones in class.(学生上课时不允许使用手机。)
  5. allow for:考虑到;顾及到(常用于表示对某种情况或条件的考虑)

    • 例句:We need to allow for possible delays in the delivery of the goods.(我们需要考虑到货物交付可能出现的延误。)

三、例句详解

  • allow sb to do sth

    • They won't allow us to enter the building.(他们不会允许我们进入大楼。)
    • The teacher allows students to ask questions during the lecture.(老师允许学生在讲座期间提问。)
  • allow doing sth(较少见)

    • 注意:此结构在正式写作和口语中不常见,更多时候会用其他表达方式替代。
    • Eating in the library is not allowed.(在图书馆吃东西是不允许的。*更常见的表达是 Eating in the library is prohibited.)
  • allow sb sth

    • He allowed his friend a small loan.(他借给他的朋友一小笔钱。)
    • She allows herself one treat a week.(她每周允许自己享受一次。)
  • be allowed to do sth

    • Children are allowed to play on the playground after school.(放学后孩子们被允许在操场上玩。)
    • I'm not allowed to drive until I'm 18.(直到我18岁才允许我开车。)
  • allow for

    • We must allow for the possibility of rain.(我们必须考虑到下雨的可能性。)
    • When planning your journey, always allow for unexpected delays.(规划行程时,总是要考虑到可能的意外延误。)

通过掌握以上结构和例句,你可以更好地理解和运用 allow 这个词。在实际使用中,请根据具体语境选择合适的表达方式。