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What is the correct use of experienced, with in or of? For example,

I have experienced in system development.

I have experienced of system development.

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up vote 1 down vote accepted

You should write

I am experienced in system development.

Here experienced is used as an adjective.

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Is "at" equally correct here, as in, "I am experienced at – Derek Henderson Dec 21 '13 at 17:08

It sounds grammatically correct since it refers to a subject/activity.

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What sounds grammatically correct? (There is no such word as grammarly.) The first alternative, the second, both? – RegDwigнt Oct 19 '12 at 9:31

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