watashi wa poketto ni sumaho o iremasu.

I put my smartphone in my pocket.

Breakdown of watashi wa poketto ni sumaho o iremasu.

• は: topic particle
• 私わたし: I
• を: direct object particle
• スマホ: smartphone

Questions & Answers about watashi wa poketto ni sumaho o iremasu.

What is the function of は in this sentence?

は marks the topic of the sentence. It introduces 私 (“I”) as the topic and sets the stage for what you’re going to say about yourself.

Is 私は necessary, or can I omit it?

You can omit 私は if it’s clear from context who is doing the action. Japanese often drops pronouns and topics when they can be inferred. For example, in a conversation about what you’re doing, ポケットにスマホを入れます is perfectly natural.

What does the particle に after ポケット indicate?

Here, に marks the target or destination of the action. ポケットに literally means “into the pocket.” It shows where you’re putting the smartphone.

Why is スマホ written in katakana?

スマホ is an abbreviation of the English word “smartphone,” so it’s written in katakana, the script used for loanwords.

Why is スマホ marked with を?

を marks the direct object of the verb 入れます. It tells you what you are putting into the pocket—in this case, the smartphone.

Why is the verb at the end of the sentence?