65852
> 自由が丘の駅で、大井町線から降りる **と** 、ママはトットちゃんの手を引っ張って、改札口を出ようとした。

As far as I know, `a dictionary verb form + と` is used to mean "when/if",
"whenever" (e.g. 秋になると、木が赤くなります (it's always like that)).

But the sentence above is about a particular day, a single occasion. As I
understand it, they should say,

> ... 大井町線から降りた時...

or

> ... 大井町線から降りてから...

Why is と used in this situation?
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2019-03-05T13:50:24.830
65850
2019-03-05T14:29:19.270
31549
question
grammar particles particle-と
Dictionary form + と for a single occasion
「V(辞書形)＋と〜」 in that case is used to convey the meaning that the actions happen
in succession, that B happens **in the continuity** of A, in the sense that
there is no temporal break between the two actions.

In your case, "getting down from the train" and "taking totto's hand to go out
of the station" happen in one go, there is no pause.

「V(て形)＋から〜」 「V(過去形)＋時〜」both carry the nuance 「Vが **完了** した後で、〜」, in other
words, perform the second action _after the first one was completed_. The two
actions are **sequentially** performed.

Hence, the alternatives you offer are in fact quite different nuance-wise.
What is written in your book implies that the mom grabs her kid's hand
"smoothly", instantly, as soon as the door opens. In the two other cases, it
sounds as if they:

  1. got down from the car
  2. (maybe there was a small break, maybe they looked for directions?) _then_ , she grabbed her kid's hand
CC BY-SA 4.0
2019-03-05T14:29:19.270
65852
2019-03-05T14:29:19.270
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65850
answer