Preposition āĻāϰ āĻāϤ āϰূāĻĒ ! āϏāϤ্āϝি āĻ āĻāĻ āĻোāϞāĻ āϧাঁāϧা !!
✏️Expert in/On /at
āĻāĻāύ Expert in English
āĻāĻāύ Expert on English
āĻāĻāύ Expert at English
āĻāĻāĻে āĻāĻĨা āĻŦāϞāĻŦ Expert āύিā§ে।
Expert āĻāϰ āĻĒāϰ āĻোāύ āĻোāύ Preposition āĻŦ্āϝāĻŦāĻšাāϰ āĻāϰা āϝাā§।
Expert āĻļāĻŦ্āĻĻāĻিāϰ āĻĒāϰে in, on, at āĻŦ্āϝāĻŦāĻšাāϰ āĻāϰা āϝাā§
✏️Expert in
āϝেāĻোāύো āĻĒুāϰো āĻ্āώেāϤ্āϰ /āĻĒুāϰো āĻŦিāώā§ে āĻ āĻিāĻ্āĻ āĻŦুāĻাāϤে āĻāĻŽāϰা in āĻŦ্āϝāĻŦāĻšাāϰ āĻāϰি āϝেāĻŽāύ
1. Faisal is an expert in English language.
2.He is an expert in Physics.
✏️Expert on
āĻোāύ specific/particular āĻিāĻু āύিā§ে āĻāĻĨা āĻŦāϞāϞে , āϤāĻāύ āĻŦ্āϝāĻŦāĻšাāϰ āĻāϰা āĻšā§ on
1. Sneha is an expert on English grammar.
(not the whole language, just a part of the language)
2.He is an expert on Linkers.
3.He is an expert on classic literature. (āĻļুāϧু classic literature āĻāϰ āĻāĻ্āϏāĻĒাāϰ্āĻ, modern literature āĻāϰ āύā§)
He is an expert on using articles. ( not the entire grammar)
✏️Expert at
āĻোāύ Activity āϝেāĻŽāύ training /teaching/doing something else etc. āĻŦোāĻাāϤে āĻŦ্āϝāĻŦāĻšৃāϤ āĻšā§ at :
She is an expert at teaching students with special needs.
She is an expert at dealing with her clients.
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Prepared by Noor E Alam
University of Dhaka
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