Could you tell me where to get to the souvenir shop?

• Correction: "where to get to" should be "how to get to."
• Corrected sentence: Could you tell me how to get to the souvenir shop?

We need energy to do the things we do every day: walking, riding a bike and even sleep.

• Correction: "sleep" should be "sleeping" to match the gerund form.
• Corrected sentence: We need energy to do the things we do every day: walking, riding a bike, and even sleeping.

Do you know how many floors are there in your school now?

• Correction: "are there" should be "there are" (question word order mistake).
• Corrected sentence: Do you know how many floors there are in your school now?

They often go to bed early and never get up lately.

• Correction: "lately" should be "late" because "lately" refers to recent time, not time of day.
• Corrected sentence: They often go to bed early and never get up late.

I haven’t gone swimming when I was in France.

• Correction: "when" should be "since" to indicate the time from a past event until now.
• Corrected sentence: I haven’t gone swimming since I was in France.

The last time I saw my uncle was two years ago.

• Answer: I haven’t seen my uncle for two years.

My form teacher is more beautiful than any other teachers in my school.

• Answer: My form teacher is the most beautiful teacher in my school.

Practice writing every day, and his brother will have beautiful handwriting.

• Answer: If his brother practices writing every day, he will have beautiful handwriting.

How many classes are there in your school?

• Answer: How many classes does your school have?

Did your mother give you an interesting book last month?

• Answer: Your mother gave you an interesting book last month, didn't she?

Although she performed well, she didn’t receive good comments.

• Answer: Despite her good performance, she didn’t receive good comments.

It is necessary for you to finish your assignment this evening.

• Answer: You need to finish your assignment this evening.

We spend five hours getting to London.

• Answer: It takes us five hours to get to London.