Could you please tell me the difference between has vs has been. 1) the idea has deleted vs. : 2) the idea has been deleted what is the difference between these two?

She doesn't have a book. Why is the first sentence wrong? We use 'has' with singular, and 'she' is singular. What are the differences in meaning between the following sentences? All of the sentences below convey the meaning of compulsion of exercise to be carried out in three months. A) this exercise has

All of the sentences below convey the meaning of compulsion of exercise to be carried out in three months. A) this exercise has