Difference between revisions of "Expressing completion with "le""

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Subj. + Verb + 了 (+ Obj.)   
 
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*他 买 <strong>新 手机</strong> <em>了</em> 。 <span class="pinyin">Tā mǎi <em>le</em> <strong>xīn shǒujī</strong>.</span><span class="trans">He bought a new cell phone.</span>
 
*他 买 <strong>新 手机</strong> <em>了</em> 。 <span class="pinyin">Tā mǎi <em>le</em> <strong>xīn shǒujī</strong>.</span><span class="trans">He bought a new cell phone.</span>

Revision as of 08:16, 28 April 2018

Also known as: 了1, verb 了, completed action 了 and perfective aspect 了.

The particle 了 (le) has a lot of uses. One of the most common is to express the completion of an action. This is called aspect, which is not the same as tense. Tense is about when an action happens: past, present or future. With regards to 了 (le), aspect is about whether the action is complete in a certain time frame.

Basic Usage

Structure

Subj. + Verb + 了

Examples

  • 他们 来 Tāmen lái le.They arrived.
  • 我 买 Wǒ mǎi le.I bought it.
  • 我们 都 去 le zǎofàn.I ate breakfast.
  • 我 找到 Wǒ zhǎodào le!I found it!

Structure

If the verb with a 了 takes an object, which has an attribute, goes directly after the verb. If there is an object right after the verb, 了 is frequently placed after the object instead of right after the verb.

Subj. + Verb + 了 (+ Obj.)

  • 他 买 新 手机 Tā mǎi le xīn shǒujī.He bought a new cell phone.
  • 上个月 我 去 台湾Shàng gè yuè wǒ qù le Táiwān.I went to Taiwan last month.
  • 昨天 晚上 我 看见 UFO Zuótiān wǎnshang wǒ kànjiàn le UFO.I saw a UFO last night.

Note that 了 can also come after the object. For example:

  • 他 买 新 手机 Tā mǎi xīn xīn shǒujī le .He bought a new cell phone.
  • 上个 月 我 去 台湾 Shàng gè yuè wǒ qù Táiwān le.I went to Taiwan last month.

In these cases, the position of 了 (le) doesn't really matter.

Special Usage

The examples above indicate a completed action, but they might also seem very similar to a "past tense" in English. To illustrate that 了 (le) can also indicate that one action is completed before another, see the following examples:

  • 我 下课 以后 去 找 你 。future actionWǒ xiàkè le yǐhòu qù zhǎo nǐ .I will go find you after I finish class.
  • 你 下班 以后 给 我 打 电话 。future actionNǐ ​xiàbān le yǐhòu gěi wǒ dǎ diànhuà.After you get off work, give me a call.
  • 你 到 以后 告诉 我 。future actionNǐ dào le yǐhòu gàosu wǒ.After you have arrived, tell me.

As you can see, 了 (le) can appear in sentences about the future as well as the past. What's important is whether or not the action has been completed, no matter what time frame we're talking about. This also means that this 了 (le) isn't used with habitual or continuous actions.

Where to put 了

In some cases, 了 and the position of the object are fixed. If anything is misplaced, the sentence won't make sense.

Objects of Fixed Quantity

了 must go directly after the verb if the object is preceded by a number and measure word.

Verb + 了 + Number + Measure Word + Obj.

A few examples:

  • 老师 问 五 个 问题 。Lǎoshī wèn le wǔ gè wèntí.The teacher asked five questions.
  • 我 买 三 本 书 。Wǒ mǎi le sān běn shū.I bought three books.
  • 我 喝 两杯 咖啡 。Wǒ hē le liǎng bēi kāfēi.I drank two cups of coffee.

In these cases, if you put the 了 (le) at the end of the sentence, you're implying something besides just basic completion of the action.

When 来 (lái) or 去 (qù) Also Appear

If the preposition includes 来 (lái) or 去 (qù), 了 (le) should be placed after the second verb or verb phrase, marking the completion of the main event.

Subj. + 来 / 去 + Place + Verb / [Verb Phrase] + 了

A few examples:

  • 昨天 她 我 家 吃饭 Zuótiān tā lái wǒ jiā chīfàn le.She came to my place and ate dinner yesterday.
  • 我们 上周 北京 开会 Wǒmen shàng zhōu Běijīng kāihuì le.We went to Beijing and had a meeting there last week.
  • 我 和 朋友 商场 买 衣服 Wǒ hé péngyou shāngchǎng mǎi yīfu le.I went to the mall with my friend and bought some clothes.

See also

Sources and further reading

Books

Websites