Learn Hardcore Japanese: watasi ha mainiti zitensya de gakkou ni ikimasu.

は is the topic particle, marking 私 as the theme of the sentence (“as for me…”). It sets the context for what follows. が is the subject marker used to introduce new or emphasized information, but for stating a routine fact (“I go…”), は is more natural.

Why isn’t there a particle after 毎日?

毎日 functions as a frequency adverb (“every day”). Adverbs in Japanese don’t take particles; they directly modify the verb (行きます) to show how often the action happens.

What is the typical word order in this sentence?

Japanese usually follows:
Topic → Time → Manner/Instrument → Place/Destination → Verb
Here it’s:
私は (Topic) → 毎日 (Time) → 自転車で (Manner) → 学校に (Place) → 行きます (Verb).

Can I switch 毎日 and 自転車で, like saying 私は自転車で毎日学校に行きます?

Yes—Japanese word order is fairly flexible. However, placing the time adverb (毎日) earlier is more standard and gives a clear flow: Topic → Time → Manner. Rearranging shifts the emphasis slightly but remains understandable.

What does the particle で after 自転車 indicate?

で marks the means or instrument. 自転車で means “by bicycle,” telling you how (with what) you go.

What does the particle に after 学校 do?

に marks the destination or goal of motion. 学校に行きます literally means “go to school.”

What form is 行きます, and why is it used here?

行きます is the polite non-past form of 行く (“to go”). It expresses a habitual or general action in polite speech. In this context, it conveys “(I) go (to school) every day.”

Can I omit 私は in this sentence?

Yes. If the topic (“I”) is clear from context, Japanese often drops it. 毎日自転車で学校に行きます is perfectly natural once the speaker is established.