Write out phrases which are not necessary in these sentences. If everyphrase is necessary, write (X)

Write out phrases which are not necessary in these sentences. If every phrase is necessary, write (X).

1) My wallet has been stolen by someone.by someone
2) We were taught by a different teacher yesterday.
3) Nick was operated on at the hospital by a doctor.
4) The meal was served by a waiter in a red coat.
5) We were shown round the museum by a guide.
6) Two letters were delivered this morning by the postman.
7) Three men have been arrested by the police.
8) Yesterday a window was broken by someone.
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