Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
instruct [ɪnˈstrʌkt] vt
to instruct sb in sthобуча́ть (обучи́ть*perf) кого́-н чему́-н
to instruct sb to do поруча́ть (поручи́ть*perf) кому́-н +infin
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: