This is book - These are books .
This is a child-They are shape children .
1)This is a student - They are students, 2) That is a man - those are men, 3) This is a woman These are women, 4) This is an angle These are angles, 5) What's it called What are thay called?, 6) What's that What are those?, 7) What is a shape, - What are shapes? 8) This is a curve - These are curve