Hmoob
yog; nyob; ua; muaj (Hmoob muaj ntau lo uas siv thaum Mikas siv ‘be’ xwb. Nyob ntawm lub ntsiab lus).
To be happy is important.
Yuav zoo siab yog ib yam tseem ceeb.
He wants to be a teacher.
Nws xav ua ib tug xibfwb.

ไทย
เป็น; อยู่; คือ; มี(ใช้บอกสถานะ การกระทำ หรือการมีอยู่ของบางสิ่ง)
To be happy is important.
การมีความสุขเป็นสิ่งสำคัญ
He wants to be a teacher.
เขาต้องการเป็นครู

Tiếng Việt
là; thì; ở; làm (tùy vào ngữ cảnh, được dùng để chỉ sự tồn tại, trạng thái, danh tính, hoặc nghề nghiệp)
To be happy is important.
Được hạnh phúc là điều quan trọng.
He wants to be a teacher.
Anh ấy muốn làm giáo viên.