たことがある: have done something before

たことがある means have done something before. It is a JLPT N5 Japanese grammar pattern used to talk about past experience.

This grammar point appears often in beginner conversations, classroom Japanese, and JLPT-style questions. If you want to talk about past experience, たことがある is a useful pattern to learn because it helps you build natural basic sentences.

What does たことがある mean?

Use たことがある when you want to talk about past experience.

Natural translations include:

• have done something before
• have done something before
• have done something before

The exact English translation changes with context. Focus on the role of the grammar point in the sentence first, then choose the English phrase that sounds natural.

How to form たことがある

Verb た-form + ことがある

Examples of the pattern:

• 行ったことがある
• 食べたことがある
• 見たことがある

Pay attention to the word form before and after the pattern. Many beginner mistakes happen because the meaning is understood, but the grammar is attached to the wrong form.

When is たことがある used?

Use たことがある in situations like:

• asking about experiences
• talking about travel
• sharing things you have tried

Tone and register:

• neutral and common
• Common in daily speech, textbook examples, and beginner JLPT questions

たことがある example sentences

• 日本へ行ったことがあります。 — I have been to Japan.
• 寿司を食べたことがあります。 — I have eaten sushi before.
• この映画を見たことがありますか。 — Have you seen this movie before?
• 富士山に登ったことがありません。 — I have never climbed Mt. Fuji.
• 日本語で手紙を書いたことがあります。 — I have written a letter in Japanese before.

Read the Japanese sentence first, then check the English translation. Try to notice what the grammar point contributes: question, contrast, reason, time limit, suggestion, negation, comparison, or obligation.

Nuance of たことがある

The key nuance is focuses on whether the experience exists, not when it happened.

This matters because beginner Japanese often uses small words and endings to show meaning that English expresses with word order or helper verbs. For たことがある, the sentence can change a lot depending on placement and context.

For example:

• In conversation, it helps the listener understand focuses on whether the experience exists, not when it happened.
• Compared with ました, it has a different job even when the English translation looks close.

たことがある vs ました

Both たことがある and ました can express related ideas, but they are different.

たことがある:

• expresses experience at some point before
• does not focus on a specific time

ました:

• describes a specific past action
• often needs or implies a time

Quick contrast examples:

• 日本へ行ったことがあります。— I have been to Japan.
• 去年、日本へ行きました。— I went to Japan last year.

If you are unsure which one to use, ask what the sentence is trying to do: ask a question, connect ideas, show a reason, mark time, make an invitation, compare two things, or express obligation.

Common mistakes with たことがある

Watch out for these mistakes:

• Using dictionary form before ことがある
• Using it for things that happened just now
• Confusing experience with a specific past event

A good study habit is to write one short sentence and then change only the grammar point. This makes the difference between similar patterns easier to feel.

Is たことがある on the JLPT?

Yes. たことがある is commonly taught as JLPT N5 grammar.

That means learners should be able to:

• recognize it in reading
• understand its nuance in context
• use it in simple original sentences

For test preparation, do not only memorize the English gloss. Practice identifying the words around the grammar point, because JLPT questions often test structure and context together.

Practice questions for たことがある

Try making your own sentences with these prompts:

• Ask if someone has been to Japan.
• Say you have never climbed Mt. Fuji.
• Say you have eaten sushi before.

Keep the sentences short at first. Once the form feels natural, add time words, places, reasons, or contrast to make the sentence more realistic.

Learn たことがある with Kanjiru

If you want to review たことがある together with kanji, vocabulary, and other JLPT N5 patterns, Kanjiru helps you practice Japanese in short, focused sessions.

Browse more lessons here:

• All grammar lessons
• JLPT N5 grammar lessons