tesshuu ga hajimatta.

subject particle

Breakdown of tesshuu ga hajimatta.

• 始はじまる: to start
• 撤収てっしゅう: breaking camp

Questions & Answers about tesshuu ga hajimatta.

How do you read 撤収が始まった?

It is read:

てっしゅう が はじまった

• 撤収 = てっしゅう
• 始まった = はじまった

So the full sentence is てっしゅうがはじまった.

What part of speech is 撤収 here?

撤収 is a noun, but it is also a verbal noun (a noun that can combine with する to make a verb).

So you can have:

• 撤収 = withdrawal / pullout / breaking camp
• 撤収する = to withdraw / to pull out / to break camp

In this sentence, 撤収 is being treated as the thing that started.

Why is the particle が used after 撤収?

が marks the thing that is doing or experiencing the action/state of the verb.

Here, the verb is 始まった = started / began.
So 撤収が始まった literally means something like:

• The withdrawal started
• Withdrawal began

The event 撤収 is the thing that began, so it takes が.

Why is it and not ?