把 (bǎ) -  used for bunches of things, and chairs

把书放在桌子上

Put the book on the table.

我把作业做完了

I finished doing my homework.

本 (běn) - used for books of various kinds

看这本书

Read this book.

我有两本书

I have two books.

层 (céng) - floor (of a building)

我的新家在第六层

My new house is on the 6th floor.

我坐电梯上了第十层。

I took the elevator to the 10th floor.

次 (cì) - used for times

再说一次

Say it again.

下次见！

See you next time!

个 (gè) - used before nouns without special measure words of their own

我有三个桌子

I have 3 tables.

这是一个商店

This is a shop.