1.
girl, nominative singular
2.
girl, accusative plural
3.
father, accusative singular
4.
friend, nominative singular
5.
friends, nominative plural
6.
street, nominative singular
10.
crowd, accusative singular
11.
islands/blocks of flats, nominative plural
12.
slave, accusative singular
13.
slaves, accusative plural
14.
dog, nominative singular
15.
dog, accusative plural
17.
food, accusative singular
18.
liar, nominative singular
19.
merchants, nominative plural
20.
parrot, accusative singular