Preposition

 Preposition āĻāĻ° āĻ•āĻ¤ āĻ°ূāĻĒ ! āĻ¸āĻ¤্āĻ¯ি āĻ āĻāĻ• āĻ—োāĻ˛āĻ• āĻ§াঁāĻ§া !!


✏️Expert in/On /at


āĻ•āĻ–āĻ¨ Expert in English 

āĻ•āĻ–āĻ¨ Expert on English

āĻ•āĻ–āĻ¨ Expert at English 


āĻ†āĻœāĻ•ে  āĻ•āĻĨা āĻŦāĻ˛āĻŦ Expert āĻ¨িā§Ÿে।

Expert āĻāĻ° āĻĒāĻ°  āĻ•োāĻ¨ āĻ•োāĻ¨ Preposition āĻŦ্āĻ¯āĻŦāĻšাāĻ° āĻ•āĻ°া āĻ¯াā§Ÿ।


Expert āĻļāĻŦ্āĻĻāĻŸিāĻ° āĻĒāĻ°ে   in, on, at āĻŦ্āĻ¯āĻŦāĻšাāĻ° āĻ•āĻ°া āĻ¯াā§Ÿ


✏️Expert in


āĻ¯েāĻ•োāĻ¨ো āĻĒুāĻ°ো āĻ•্āĻˇেāĻ¤্āĻ° /āĻĒুāĻ°ো āĻŦিāĻˇā§Ÿে āĻ…āĻ­িāĻœ্āĻž āĻŦুāĻাāĻ¤ে āĻ†āĻŽāĻ°া  in āĻŦ্āĻ¯āĻŦāĻšাāĻ° āĻ•āĻ°ি āĻ¯েāĻŽāĻ¨ 

1. Faisal  is an expert in English language.

2.He is an expert in Physics.


✏️Expert on

āĻ•োāĻ¨ specific/particular āĻ•িāĻ›ু āĻ¨িā§Ÿে āĻ•āĻĨা āĻŦāĻ˛āĻ˛ে , āĻ¤āĻ–āĻ¨ āĻŦ্āĻ¯āĻŦāĻšাāĻ° āĻ•āĻ°া āĻšā§Ÿ 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. (āĻļুāĻ§ু classic literature āĻāĻ° āĻāĻ•্āĻ¸āĻĒাāĻ°্āĻŸ, modern literature āĻāĻ° āĻ¨ā§Ÿ) 


He is an expert on using articles. ( not the entire grammar)


✏️Expert at


āĻ•োāĻ¨ Activity āĻ¯েāĻŽāĻ¨ training /teaching/doing something else etc. āĻŦোāĻাāĻ¤ে āĻŦ্āĻ¯āĻŦāĻšৃāĻ¤ āĻšā§Ÿ 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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