Mistakes are often made by using the wrong preposition after certain words. The following list includes the words which most often give trouble
1

Absorbed(=very much interested)in, notat

Dont say:The man was absorbed at his work.
say:The man absorbed in his work. s
2

 Accuse of,notfor

Dont say:She accused the man for stealing. s
Say: She accused the man of stealing. s

Note: Charge takes with: The man was charged with murder. s



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source of this tapic:noandishaan