When do I use 都 vs 已经 for 'already'?

Use 已经 for neutral statements of fact (e.g., 我已经做完作业 “I've already finished homework”). Use 都 in the pattern 都 + X + 了 when you want to express surprise, impatience, or that something is too early/late (e.g., 都八点了 “It's already 8 o'clock [and I'm surprised it's so late]”). 都 always requires a 了 at the end and often appears with time expressions or quantities.

Can I use 都 without 了 to mean 'already'?

No. Without 了, 都 means “all” or “even,” not “already.” The 都…了 structure is the only way to express “already” with 都. For example, 都吃 means “all eat,” but 都吃了 means “already ate (with emphasis).”

Is there a difference in negation for 都 and 已经?

Yes. For 都…了, you cannot directly negate it; you use 还没(有)…呢 to say “not yet” (e.g., 还没八点呢 “It's not yet 8 o'clock”). For 已经, the negative is 还没(有) + verb (e.g., 还没吃 “haven't eaten yet”).

Easily confusedHSK 4

都 vs 已经 (dōu vs yǐjīng): “already” with or without emphasis

都 (dōu) and 已经 (yǐjīng) both translate as “already,” but they differ in tone and structure. 都 appears in the pattern 都 + noun/time/verb + 了 and adds surprise, impatience, or a sense that something is late or early. 已经 is a neutral adverb that simply states a past action or change. Use 都 for subjective emphasis, and 已经 for plain factual statements.

都 (dōu) and 已经 (yǐjīng) both indicate that something has happened or a state has been reached, but they serve different functions. 已经 is a straightforward adverb that marks completion or change, with no extra emotional weight. 都, when used in the structure 都 + X + 了 (where X can be a noun, time, quantity, or verb), means “already” and adds subjective emphasis—often surprise, impatience, or a feeling that it’s too late or too early. For example, 都十点了 means “it’s already ten o’clock (and I’m surprised or it’s late),” whereas 已经十点了 is a neutral statement. Note that 都 has other meanings (e.g., “all”), but in this pattern it conveys “already.”

When to use each

都dōu

even, already, all

Use 都 in the pattern 都 + noun/time/verb + 了 to mean “already” with a tone of surprise, emphasis, or subjective judgment (e.g., realizing something is late, early, or excessive). Common with time expressions, quantities, and verbs that indicate completion. The 了 at the end is mandatory in this usage.

都 can also mean “all/every” in other contexts (e.g., 我们都去). When used for “already,” it always pairs with 了 and carries emotional coloring that 已经 lacks.

已经yǐjīng

already

Use 已经 as a neutral temporal adverb before a verb or adjective to state that an action is completed or a change has occurred. It is the standard, objective way to say “already.” It can appear with or without 了 at the end of the sentence, and it works with both verbs and adjectives.

At a glance

	都	已经
核心含义	强调“已经”，带有意外、早/晚或程度超乎预期	表示“已经”，中性陈述事实
常用结构	都 + 名词/时间/动词 + 了	已经 + 动词/形容词（可加了）
语气	强调、惊讶、不满、赞叹等	客观、中性
否定形式	不能直接用“都…了”否定；否定用“还没(有)…呢”	否定用“还没(有)” + 动词

Examples

都
都十点了，你怎么还不来？
Dōu shí diǎn le, nǐ zěnme hái bù lái?
It's already ten o'clock; why haven't you come yet?
都 + time + 了 emphasizes that it is late, with surprise/impatience.
已经
已经十点了，该睡觉了。
Yǐjīng shí diǎn le, gāi shuìjiào le.
It's already ten o'clock; time to sleep.
Neutral statement of fact; no emotional emphasis.
都
都秋天了，天气还这么热。
Dōu qiūtiān le, tiānqì hái zhème rè.
It's already autumn, and the weather is still so hot.
都 + noun + 了 expresses surprise that it's already a late season.
已经
我已经吃了午饭。
Wǒ yǐjīng chī le wǔfàn.
I have already eaten lunch.
Simple completed action; no special emphasis.
都
都吃完了你还吃？
Dōu chī wán le nǐ hái chī?
You've already finished eating and you're still eating?
都 + verb + 了 expresses surprise that something is already complete.
已经
他已经不来了。
Tā yǐjīng bù lái le.
He is no longer coming.
已经 with negative state change; neutral.

Common mistakes

Using 都 instead of 已经 for a neutral already statement: “我都吃了” sounds surprised; use “我已经吃了” for plain fact.
Adding 都 before a verb without 了: “我都吃” is incorrect for 'already'—must end with 了.
Using 已经 in the 都 + X + 了 pattern: “已经十点了” is fine as a neutral statement, but cannot replace 都 when emphasis is needed.
Forgetting the 了 after 都: “都十点” is ungrammatical; always requires 了.
Using 都...了 in negative sentences: “都不来了” means “all do not come,” not “already not come.” For negative already, use 还没(有).

FAQ

When do I use 都 vs 已经 for 'already'?: Use 已经 for neutral statements of fact (e.g., 我已经做完作业 “I've already finished homework”). Use 都 in the pattern 都 + X + 了 when you want to express surprise, impatience, or that something is too early/late (e.g., 都八点了 “It's already 8 o'clock [and I'm surprised it's so late]”). 都 always requires a 了 at the end and often appears with time expressions or quantities.
Can I use 都 without 了 to mean 'already'?: No. Without 了, 都 means “all” or “even,” not “already.” The 都…了 structure is the only way to express “already” with 都. For example, 都吃 means “all eat,” but 都吃了 means “already ate (with emphasis).”
Is there a difference in negation for 都 and 已经?: Yes. For 都…了, you cannot directly negate it; you use 还没(有)…呢 to say “not yet” (e.g., 还没八点呢 “It's not yet 8 o'clock”). For 已经, the negative is 还没(有) + verb (e.g., 还没吃 “haven't eaten yet”).