How to Say ‘I'll make sure not to forget.’ in Japanese
忘れないようにします。
wasure nai you ni shi masu
[wasure nai YOH nee shee mahs]
💬 Usage Tip: Put ようにします after a verb to mean "I'll make an effort to". With the "not" form, as in 忘れない, it means "I'll make sure not to".
Phrase Breakdown
忘れないように
wasure nai you ni
so as not to forget
忘れない (wasurenai) means 'not forget'. ように (yō ni) means 'so that'. Lengthen 'yō'.
忘れないように書きます。
I'll write it down so I don't forget.
Words in this phrase
忘れ
wasure
[wasure]
forget
Fail to remember something.
宿題を忘れた。
I forgot the homework.
ない
nai
[nai]
not
Indicates negation or absence.
問題はない。
There is no problem.
よう
you
[YOH]
so that; in a way that
With にする, means making an effort to do or not do something.
早く寝るようにします。
I'll try to go to bed early.
に
ni
[nee]
(adverb-forming particle)
Turns a na-adjective into an adverb, like English '-ly'.
静かに話してください。
Please speak quietly.
します。
shi masu
I will (make an effort)
します (shimasu) means 'do'. After ように it means 'I'll try to'. The final 'u' is nearly silent.
毎日運動するようにします。
I'll try to exercise every day.
Words in this phrase
し
shi
[shee]
do
し is the stem of する, meaning to do.
予約しします。
I do the reservation.
ます
masu
[mahs]
polite present/future ending
ます makes a verb polite in present or future statements.
予約します。
I will make a reservation.
Get the Full Learning Experience
This lesson is just a preview. Download PrettyFluent to practice pronunciation, roleplay conversations, and master vocabulary with spaced repetition.
Pronunciation Feedback
AI-powered feedback on what you say out loud
Spaced Repetition
Retain vocabulary long-term with smart practice
Immersive Roleplaying
Practice real conversations with AI partners
Lessons for Your Situation
Request lessons tailored to your specific needs
What Learners Are Saying
“Teaching in Osaka and I wanted to connect with my students beyond the classroom. The everyday conversation made my Japanese feel natural, not textbook-y.”
Mia S., 25, English Teacher
“I hop cities every few months and this is the only app that actually prepares me for living somewhere, not just visiting. Tokyo was the real test — passed with flying colors.”
James O., 28, Remote Worker
“I tried five different apps before this one. The roleplay conversations are what finally made things click. I actually remember what I learn now.”
Sofia R., 31, Marketing Manager