2 · Aspect: le, guo, zhe and zai
Verb + le: an action done and complete
the perfective particle after the verb
Le straight after a verb presents an action as finished and complete — most often with a number or an amount after it.
The particle 了, pronounced le in the neutral tone, can stand directly after a verb: 我买了三本书, “I bought three books”. It presents the action as a complete whole — begun, carried out and finished. English translates such sentences with a past tense, and that is where the misunderstanding starts: 了 does not mean “past”, it means “done, complete”.
The proof is that it works just as well in the future. 明天我下了课就去找你 means “tomorrow I will come and find you as soon as my class is over”: the class has not ended yet, but in the sequence it will be complete before the next step. And the other way round, a great many sentences about the past have no 了 at all — habits (我以前每天都跑步, “I used to run every day”), descriptions and states. The time is told by the time word, not by the particle.
A verb with 了 likes something after it that gives the action its edges: a number or an amount (喝了两杯), a description of the object (买了你说的那本书), or a second action that follows (吃了饭就走). With a bare object — 我买了书 — the sentence sounds unfinished, as if the speaker were about to go on. To report simply “I bought books”, Chinese moves the 了 to the end: 我买书了.
The two mistakes English speakers make most often follow from treating 了 as a past tense: putting it after every verb in a story about yesterday, including verbs like 是, 喜欢 and 觉得 that describe a state, and keeping it in a negative sentence. A completed action is negated with 没, and its 了 goes: 我没买书.
The form
| done, with an amount | 我买了三本书。 |
| done, then the next step | 我下了课就回家。 |
| a completion in the future | 明天我吃了早饭就走。 |
| negative: no le | 我没买书。 |
| asking about the amount | 你买了几本书？ |
The rules one by one
The form this topic is aboutThe word that calls for it
Le goes straight after the verb, before the object.
我喝了一杯茶。I drank a cup of tea.
An object after verb + le needs something to round it off: a number, a description, or a second action.
他借了两本小说。He borrowed two novels.
Le marks completion, not the past, so it can stand in a sentence about the future.
明天我下了班就去找你。Tomorrow I’ll come and find you as soon as I finish work.
Habits, descriptions and states in the past take no le.
我小时候每天都走路上学。As a child I walked to school every day.
A closer look
Aspect, not tense
English grammar makes every verb say when: “I eat”, “I ate”, “I will eat”. Chinese grammar asks a different question — how the action is seen. As one finished whole? As an experience? As something in progress? As a state that lasts? That is aspect, and 了, 过, 在 and 着 are its markers. When an action took place is a separate matter, left to time words and to the context.
Seen this way, verb + 了 is like a camera that frames the whole action from its beginning to its end. That is why it suits an action that can be counted (three books make a whole), why it suits one step in a sequence (first this is done, then that — yesterday or tomorrow), and why it sits badly with habits and states, which have no edges to put a frame round.
Exceptions and special cases (1)
-
the verb describes a state or an attitude rather than an action: 是, 姓, 觉得, 喜欢, 希望
there is normally no le directly after it, even when the sentence is about the past.
我小时候很喜欢唱歌。As a child I loved singing.
A state has no beginning and no end inside the sentence, so there is nothing to complete. The past is told by a time word such as 小时候 or 那时候.
How to spot it
- 了
- 了…就
Example sentences
她喝了两杯咖啡。She drank two cups of coffee.
我在超市买了一些水果。I bought some fruit at the supermarket.
他给我发了一条消息。He sent me a message.
这本书我看了一半。I have read half of this book.
我们吃了饭就去看电影吧。Let’s go to the cinema once we’ve eaten.
上个星期他写了三封信。Last week he wrote three letters.
8 more example sentences
我今天走了一万步。I walked ten thousand steps today.
妈妈做了很多菜。Mum cooked a lot of dishes.
他昨天跑了五公里。He ran five kilometres yesterday.
我买了你说的那本书。I bought the book you mentioned.
我到了北京就给你打电话。I’ll ring you as soon as I get to Beijing.
我们聊了一个多小时。We chatted for over an hour.
他一共花了两百块钱。He spent two hundred yuan altogether.
老师问了我一个问题。The teacher asked me a question.
Worth knowing (1)
-
Le inside a two-part verb
Many everyday verbs are really a verb with its own object: 睡觉 “sleep a sleep”, 洗澡 “wash a bath”, 见面 “see the face”. Le goes after the verb part, inside the word: 洗了澡, 见了面.
他洗了澡就睡了。He had a shower and went straight to bed.
The trap English speakers fall into
Watch out
English puts every past action into the past tense, so “I drank coffee every day” seems to call for 了. But a habit is not one finished event — it is how things used to be — and 了 only wraps up a single, complete action. That the habit belongs to the past is already said by 以前.
Le after the verb means done and complete, not past — and it likes a number after it.
Your turn
8 exercises on this topic. Your answers are checked in the browser; none of them leaves your device.