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動詞 + 了 + 期間 + 了（～しているところだ）
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A duration is relevant up to now
- You have studied Chinese for three years and are still studying.
- I我study学(completed / change)了three三year年Chinese中文(completed / change)了。 — The final (completed / change)了 makes the elapsed three-year period relevant now; continued study is natural here.
You have studied Chinese for three years and are still studying. What does 我学了三年中文了。 communicate?
難易度 1/5 · 100 コイン + 今日初回完了時に小ボーナス付与
The final 了 makes the elapsed three-year period relevant now; continued study is natural here. The context supplies continuation. Compare 我等了一个小时了，现在终于等到了: the wait can end at the reference point. Two 了 do not guarantee that an action continues indefinitely afterward.
Build the form
- The pattern in this lesson is Verb + (completed / change)了 + Duration + (completed / change)了 (have been …-ing). Locate it in the original interlinear examples below.
- Keep the words in their demonstrated positions; the pattern must fit the intended situation as well as the sentence form.
I我study学了three三year年Chinese中文了。
Using the lesson pattern in this demonstrated example: Still ongoing — add the final particle: 我学了三年中文 ____。
難易度 1/5 · 100 コイン + 今日初回完了時に小ボーナス付与
Final 了 makes the elapsed duration relevant now; continued study is supplied by the situation.
Read examples in context
- In the opening example, I我study学(completed / change)了three三year年Chinese中文(completed / change)了。: The final (completed / change)了 makes the elapsed three-year period relevant now; continued study is natural here.
- Explain who acts, what is described and which time or group is relevant before choosing an English paraphrase.
Which form highlights the three-year duration as relevant up to now in a context of continued study?
難易度 1/5 · 100 コイン + 今日初回完了時に小ボーナス付与
学了三年了 is natural for the elapsed duration up to now. A closing 了 does not guarantee indefinite continuation after the reference point.
構築: “I've been studying Chinese for three years.”
難易度 3/5 · 200 コイン + 今日初回完了時に小ボーナス付与
動詞 + 了 + 期間 + 了: 我 + 学了三年中文 + 了.
Know the boundary
- The context supplies continuation.
- Compare I我to wait for等(completed / change)了一个hour小时(completed / change)了，now现在finally终于to wait until等到(completed / change)了: the wait can end at the reference point. Two (completed / change)了 do not guarantee that an action continues indefinitely afterward.
The second 了 guarantees that the study will never stop at or after the reference point.
難易度 1/5 · 100 コイン + 今日初回完了時に小ボーナス付与
It marks a currently relevant situation, not a guarantee about what happens next.
In the opening situation: The final 了 makes the elapsed three-year period relevant now; continued study is natural here.
難易度 1/5 · 100 コイン + 今日初回完了時に小ボーナス付与
The context supplies continuation. Compare 我等了一个小时了，现在终于等到了: the wait can end at the reference point. Two 了 do not guarantee that an action continues indefinitely afterward. The final 了 makes the elapsed three-year period relevant now; continued study is natural here.
Use the distinction
- The final (completed / change)了 makes the elapsed three-year period relevant now; continued study is natural here.
- The context supplies continuation. Compare I我to wait for等(completed / change)了一个hour小时(completed / change)了，now现在finally终于to wait until等到(completed / change)了: the wait can end at the reference point. Two (completed / change)了 do not guarantee that an action continues indefinitely afterward.
Read the full reference: HSK 3 grammar — Verb phrases.
You have studied Chinese for three years and are still studying. Close the examples. Say a Mandarin response, then write it in Chinese. Explain briefly in English what the lesson’s pattern adds. Compare with the model, then change one detail and try again.
This is supported productive practice. Compare meaning and structure; your answer need not copy the model. A partner or teacher must hear the spoken response to comment on pronunciation.