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Vietnamese Grammar Point
Interrogative 'bao lâu'

Interrogative 'bao lâu'

Short explanation:

This Vietnamese interrogative 'bao lâu' is used to ask about duration or length of time.

Formation:

Interrogative word 'bao lâu' + Subject + Verb (action)

Examples:

Anh ấy đã ở Việt Nam bao lâu rồi?

How long has he been in Vietnam?

Mất bao lâu để học thành thạo tiếng Việt?

How long does it take to become proficient in Vietnamese?

Mất bao lâu để đi từ Hà Nội đến Đà Nẵng bằng xe hơi?

How long does it take to travel from Hanoi to Danang by car?

Mất bao lâu để đổ đầy bình xăng của bạn?

How long does it take to fill up your gas tank?

Long explanation:

'Bao lâu' is a Vietnamese interrogative term often used when somebody wants to ask 'how long' an action or event takes or lasts. It is mainly used to seek information about the duration of an action, activity or a period.

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