英语修该病句

您好！

Are there any pencil on the chair?
改为：Are there any pencils on the chair?

This is my brother.He name is Henry.
改为：This is my brother.His name is Henry.

How much days are there in a week?
改为：How many days are there in a week?

希望我的答案您能够满意！谢谢！

改为
Are there any pencils on the chair?
This is my brother.His name is Henry.
How many days are there in a week?

Is there any pencil on the chair?
This is my brother. His name is Henry.
How many days are there in a week?

pencil改为pencils
he改为his
much改为many

Are there any pencils on the chair?
This is my brother.His name is Henry.
How many days are there in a week?

你上几年纪~~