Change to the plural as in the example e.g. that is an ox.those are oxen 1.i am a 2.she is a 3.this is a 4.he is a 5.that is a big monkey 6.it is a guitar 7.it is a nice baby

1. We are students.
2.They are women.
3. These are geese.
4. They are policemen.
5. Those are big monkeys.
6. They are guitars.
7. They are nice babies.