What can be the direct objects and indirect objects? (直接受詞與間接受詞)?  

    a. IO (間接受詞) is often people.  

           For example:   The teacher gave Tom an award.  (noun).

                                         S       Vt    IO       DO 

   b. DO (直接受詞) can be nouns, noun phrases and noun clauses.

            For example:   The teacher gave Tom an award.  (noun).

                                       S        Vt     IO       DO 

                               Alice showed us how to get there. (noun phrase)

                                 S      Vt       IO           DO 

                               Alice told us why we should go to see the movie.

                                                                                                                                 (noun clause)

                                S    V t   IO             DO