Pleural

Hello,

      Could you please check whether I use pleural forms in these sentences correctly or not?

     As the weather becomes warmer, the numbers of mosquitoes, frogs, and fish have been changed a lot. There are also decreases in the numbers of deer, bears, and foxes in the forests.

     There are many genres of books in this book store.

    A: When would you like to come to see your doctor for check up?

    B: What days and what time are you available?

    A: You may come on Monday morning, Tuesday, or Thursday afternoon.

Hi! Your use of plural nouns looks good. However, I would say that the numbers of mosquitoes, frogs, and fish have changed, not have been changed.

Thanks!

Amy