英語で同じ単語を2回使う理由とは|have・do・beの正しい理解

Sometimes English sentences use the same word twice.

This often happens with have, do, and be.

For many Japanese learners, this looks strange or confusing.

But these sentences are normal.

The two words usually have different jobs.

Let’s look at the most common patterns and how to understand them.

1. I have had breakfast already

This sentence uses the word have two times.

  • have (first one) is a helper verb

  • had (second one) is the main verb meaning eat or experience

Meaning:

I ate breakfast earlier today.

Pattern: have + past participle (V3)

More examples:

“She has had this bicycle for years.”

“They had had a busy week.”

Cultural note:

In English, we often use the present perfect for life experience or continued situations. Japanese learners sometimes expect only one verb, so repeating have feels unusual. But it is correct and natural.

2. I am being careful today

This sentence uses be two times.

  • am is a helper verb

  • being shows the action in that moment

Meaning:

I am acting carefully right now.

More examples:

“Please be quiet. You are being too loud.”

“He is being very helpful today.”

Key idea:

We use be + being + adjective to talk about temporary behaviour, not permanent personality.

3. Do you do yoga

This sentence uses do two times.

  • Do (first one) is a helper verb to make a question

  • do (second one) is the main verb meaning practise or perform

Meaning:

Do you practise yoga?

More examples:

Do you do your homework in the morning”

“Why do we do this activity every week”

Tip:

In English questions, we often need a helper verb. In Japanese grammar, helper verbs work differently, so this pattern may feel surprising.

4. He is looking at what is happening

This sentence uses is two times.

  • is (first one) helps make the continuous form

  • is (second one) belongs to the main verb happening

Meaning:

He is watching the situation and understanding the events.

More examples:

“She is checking what is going on.”

“They are listening to what is being said.”

Why does English repeat words like this?

Because English separates two different functions:

  1. Grammar function

    Helper verbs like have, be, and do help make questions, negatives, continuous forms, or perfect forms.

  2. Main meaning

    The main verb shows the real action or state.

Sometimes the helper verb and the main verb use the same word form, so they appear together in one sentence.

This is normal and very common in everyday English.

Once you understand the pattern, it becomes much easier to follow and to use.

Practice

Choose the correct explanation for each sentence.

  1. “She has been busy recently.”

    A. has = helper / been = main verb

    B. has = helper / been = helper

  2. “Do they do exercises every day”

    A. First do = helper / second do = main verb

    B. Both do = main verb

  3. “I am being honest with you.”

    A. am = helper / being = behaviour

    B. am = main verb / being = helper

Conclusion

When English uses the same word twice, do not worry.

The two words have different roles.

  • One is the helper verb

  • One is the main verb

Understanding this idea will help you read, listen, and speak English more confidently.

Answers

  1. B

  2. A

  3. A

次へ
次へ

日常英語でよくある間違い7選|自然で正しいフレーズの使い方