He is from England. *

Ser
Estar

They are happy today. *
Ser
Estar

Pablo is in the city. *
Ser
Estar

Are you sick? *
Ser
Estar

Allie is very tall. *
Ser
Estar

It is 10 o'clock *
Ser
Estar

Those boys are not nice. *
Ser
Estar

My friend is worried about her dog. *
Ser
Estar

The children were lost in the woods. *
Ser
Estar

John is an engineer. *
Ser
Estar

In Spanish, the verbs "ser" and "estar" both mean "to be," but they are used in different contexts. Let's break down how to choose between "ser" and "estar" in each sentence:

1. He is from England.
In this sentence, we are talking about someone's nationality, which is a characteristic that doesn't change. Therefore, we should use "ser." The correct answer is "Ser."

2. They are happy today.
Here, we are describing someone's mood, which can change. Therefore, we should use "estar" to indicate a temporary state. The correct answer is "Estar."

3. Pablo is in the city.
This sentence is stating someone's location, which is a temporary state. So, we should use "estar." The correct answer is "Estar."

4. Are you sick?
Here, we are asking about someone's health, which is temporary. Therefore, we should use "estar." The correct answer is "Estar."

5. Allie is very tall.
Describing someone's physical characteristics, such as height, uses "ser" because it is an inherent quality that doesn't change. The correct answer is "Ser."

6. It is 10 o'clock.
This sentence is stating the time, which is a permanent characteristic. Therefore, we should use "ser." The correct answer is "Ser."

7. Those boys are not nice.
Describing someone's personality or behavior uses "ser" because it is a permanent characteristic. The correct answer is "Ser."

8. My friend is worried about her dog.
In this case, we are describing someone's emotion, which can change. Therefore, we should use "estar." The correct answer is "Estar."

9. The children were lost in the woods.
This sentence is describing a temporary state of being lost. Therefore, we should use "estar." The correct answer is "Estar."

10. John is an engineer.
Describing someone's profession is a permanent characteristic. Therefore, we should use "ser." The correct answer is "Ser."