1.The cat is scratching the carpet, and you want it to stop.

cat, stop scratching the carpet
2.The teacher wants her students to close their books.

student close the books, please
3.The teacher reminds students to do homework.

students, please remember to do homework
4.The mother tells the boy to bring his umbrella.

bring umbrella with you, son
5.You tell your friend not to copy your homework.
linh, don't copy my homework, please