〜ことにします
decide to ~
Express an intention, decision, or scheduled action.
Remember it
Put the future action into your plan with 〜ことにします.
Understand
Build the pattern
Sentence formula
How it works
「〜ことにします」 means "decide to ~". Structure: Verb dictionary + ことにします. This is a JLPT N4 pattern — the examples below slot different everyday and workplace words into the same structure so you can see how it behaves. Learn the structure, then swap in your own words.
When to use it
Use it for weekends, appointments, project plans, and personal goals.
Tone: Polite
A safe choice for everyday conversations, shops, school, and the workplace.
Use
Hear it in real life
At home
Example 1毎朝準備をすることにします。
まいあさ じゅんび を する こと に します。
maiasa junbi o suru koto ni shimasu.
I have decided to do preparation every morning.
At home
Example 2毎朝到着をすることにします。
まいあさ とうちゃく を する こと に します。
maiasa touchaku o suru koto ni shimasu.
I have decided to do arrival every morning.
At school
Example 3毎朝入学をすることにします。
まいあさ にゅうがく を する こと に します。
maiasa nyuugaku o suru koto ni shimasu.
I have decided to do school admission every morning.
At home
Example 4毎朝運転をすることにします。
まいあさ うんてん を する こと に します。
maiasa unten o suru koto ni shimasu.
I have decided to do driving every morning.
Shopping & services
Example 5毎朝注文をすることにします。
まいあさ ちゅうもん を する こと に します。
maiasa chuumon o suru koto ni shimasu.
I have decided to do order (goods) every morning.
Make it yours
Choose one example. Replace one person, place, object, or time with a detail from your life, then say the new sentence aloud.
Recall
Test your memory
Recall practice
Can you say it?
1 of 5
Read the situation, look away from the answer, and say the Japanese aloud.
Your situation
I have decided to do preparation every morning.
The answer is hidden. Try to use 〜ことにします.
Remember tomorrow
Save this pattern as a flashcard
Review the meaning and formula later so today’s lesson moves into long-term memory.