1. are
2. did
3. are is
4. are
5. was
6. is
2 watched
3 was
4 found
5 didn't find
6 searched
7 located
8 was taking
9 arrived
10 pulled
6.
1)a/an
2)the
3)a/an
4)the
5)the
7.
2)a, the
3)a, the
4)an, the
5)an, the
6)a, the
8.
2)a present-the present
3)in the office-in an office
4)bike is old- the bike is old
5)a table- the table
6)a black one-the black one
7)the salt-a salt