Present Vs. Past 'Thank You': When To Use Each Form

(Joy thanking someone for current help [Present] vs. Ken bowing at the end of an era [Past])

In English, whether someone is helping you right now or helped you yesterday, you usually just say “Thank you.” But in Japanese, gratitude has a tense!
“Thank you (Present/Future)” -> Arigatou gozaimasu
“Thank you (Past/Completed)” -> Arigatou gozaimashita
Using the past tense at the wrong time can actually confuse Japanese people and make them think you are saying a final goodbye! Let’s master the timing of gratitude with Joy and Ken.

🗣 Conversation Scene

Joy and Ken are about to start a big translation project together. Ken just agreed to help her.

Joy

ケンさん、このプロジェクトを手伝（てつだ）ってくれて嬉しいです。これから１ヶ月間、よろしくお願いします。
それでは、ありがとうございました！
(Ken, I’m so happy you will help me with this project. I look forward to working with you for the next month. Well then, “Arigatou gozaimashita” [Thank you for what you did]!)

Ken

えっ！？プロジェクトはこれから始まるのに、「ありがとうございました」と言うと、もうプロジェクトが終わったみたいに聞こえますよ！😂
ここは「ありがとうございます」です！
(Eh!? The project is just starting, but saying “Arigatou gozaimashita” makes it sound like the project is already over! 😂 Here, you should say “Arigatou gozaimasu”!)

💡 Explanation

Ongoing Action vs. Completed Action

1. ありがとうございます (Present) = Ongoing / Future 📝

Focus: The action is happening now, or will happen in the future.
Use the present tense when you are receiving help right at this moment, when someone gives you a gift, or when you are thanking someone *in advance* for a favor they will do for you.

[When someone holds the door for you] ありがとうございます。
(Thank you. *Action is happening now*)
[When a coworker agrees to help you tomorrow] ありがとうございます。
(Thank you in advance. *Future action*)

2. ありがとうございました (Past) = Fully Completed / The End 🎓

Focus: The event or relationship has fully concluded.
Use the past tense when an event is completely over and you are looking back on it. It is heavily used at the very end of things: the end of a lesson, checking out of a hotel, or quitting a job.

[At the end of a Japanese class] 先生、ありがとうございました。
(Teacher, thank you for the lesson. *The class is over*)
[Checking out of a hotel] ３日間、ありがとうございました。
(Thank you for the past 3 days. *The stay has concluded*)

📊 Comparison Table

Phrase	Status of the Favor/Event	Classic Situations
〜ございます (…gozaimasu)	Present / Future / Ongoing	Receiving a gift, someone agreeing to help you, daily office interactions.
〜ございました (…gozaimashita)	100% Completed / The End	End of a meeting/class, checking out, graduating, quitting a job.

🚧 The Premature Goodbye Trap!

Using the past tense while a relationship or project is still ongoing sounds like you are cutting ties with that person!

Situation: Your boss just gave you advice on a project you are currently working on.

❌ Wrong: 部長、アドバイス ありがとうございました。
(Nuance: “Thank you for the advice, our interaction is now over forever.”)

✅ Right: 部長、アドバイス ありがとうございます。
(Nuance: “Thank you for the advice, I will continue to work hard under you.”)

🔥 Practice Quiz

Tap to check the answer!

Q1. A 60-minute Japanese lesson has just finished. What do you say to the teacher?
(Sensei, arigatou ______)

Answer: gozaimashita (ございました)
The event (the lesson) is completely finished.

Q2. You ask a friend to help you move next weekend, and they say “Sure!”
(Hontou? Arigatou ______!)

Answer: gozaimasu (ございます)
The moving help hasn’t happened yet (Future action), so you thank them in the present tense.

Q3. Your coworker hands you a coffee they bought for you.
(Wa, arigatou ______!)

Answer: gozaimasu (ございます)
You are receiving the favor/item right now in the present moment.

Keep practicing with JPLT!