watashi wa shuumatsu ni ie de souji o suru.

I clean at home on the weekend.

Breakdown of watashi wa shuumatsu ni ie de souji o suru.

• は: topic particle
• 私わたし: I
• を: direct object particle
• 家いえ: home

Questions & Answers about watashi wa shuumatsu ni ie de souji o suru.

In this sentence, what does the particle は after 私 do? Is it the subject marker?

は is the topic marker, not the basic subject marker (that’s が).

• 私 = I / me
• 私
  • は = “As for me, …” / “Speaking about me, …”

In this sentence, the topic 私 is also the person doing the action, so in English it naturally becomes the subject “I.” But grammatically, は marks what the sentence is about, not who/what is grammatically the subject.

You could also say:

• 週末は 家で 掃除をする。 – “As for weekends, I clean at home.”

Here the topic would be 週末 instead of 私.

Why is は pronounced “wa” here and not “ha”?

When the character は is used as a particle (topic marker), it is pronounced wa.

When it’s part of a word, it’s pronounced ha:

• Particle: 私は（わたしは）
• Word: 花（はな, hana “flower”）

So:

• Spelling (kana): は
• Pronunciation as a particle: wa

What does に after 週末 mean? Why is it 週末に?