juumintouroku o suru.

I complete the resident registration.

Breakdown of juumintouroku o suru.

• を: direct object particle
• する: to do
• 住民登録じゅうみんとうろく: resident registration

Questions & Answers about juumintouroku o suru.

What does 住民登録 mean as a word?

住民登録 is a noun meaning resident registration.

It is made of two parts:

• 住民 = resident / inhabitant
• 登録 = registration

So together, it refers to the act or process of officially registering yourself as a resident with the local government.

Why is を used here?

を marks the direct object of the verb.

In 住民登録をする, the thing being done is 住民登録. So the structure is:

• 住民登録 = resident registration
• を = marks it as the object
• する = to do

So literally, this is to do resident registration.

Why is する used after a noun?

In Japanese, many nouns can combine with する to make a verb. These are often called suru-verbs.

So:

• 登録 = registration
• 登録する = to register

Likewise:

• 住民登録 = resident registration
• 住民登録する = to register as a resident / to complete resident registration

Using する is very common when the action is expressed by a noun.