Comprehensive grammar sheet helping students distinguish between present and past forms of the verb 'to be'.

The task involves completing sentences using the correct form of the verb "be" (am, is, are, was, were). Below is the solution with explanations for each sentence.

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Section 1: Complete the sentences with am/is/are

1. My grandparents and I both go out.
- Answer: My grandparents and I are both go out.
- Explanation: The subject "My grandparents and I" is plural, so we use "are."

2. There _______ many large trees on that tree.
- Answer: There are many large trees on that tree.
- Explanation: The subject "many large trees" is plural, so we use "are."

3. The meal that I like best _______ dinner.
- Answer: The meal that I like best is dinner.
- Explanation: The subject "The meal" is singular, so we use "is."

4. Something _______ always the same.
- Answer: Something is always the same.
- Explanation: The subject "Something" is singular, so we use "is."

5. This land _______ covered in grass.
- Answer: This land is covered in grass.
- Explanation: The subject "This land" is singular, so we use "is."

6. My friend's name _______ Sandy.
- Answer: My friend's name is Sandy.
- Explanation: The subject "My friend's name" is singular, so we use "is."

7. They _______ there after school?
- Answer: They are there after school?
- Explanation: The subject "They" is plural, so we use "are."

8. My Friend _______ from India.
- Answer: My Friend is from India.
- Explanation: The subject "My Friend" is singular, so we use "is."

9. What day _______ it today?
- Answer: What day is it today?
- Explanation: The subject "it" is singular, so we use "is."

10. Not one _______ very old.
- Answer: Not one is very old.
- Explanation: The subject "Not one" is singular, so we use "is."

11. What _______ her problem?
- Answer: What is her problem?
- Explanation: The subject "her problem" is singular, so we use "is."

12. They _______ rich but they _______ kind.
- Answer: They are rich but they are kind.
- Explanation: The subject "They" is plural, so we use "are" twice.

13. The sunset over the river _______ a very pretty sight.
- Answer: The sunset over the river is a very pretty sight.
- Explanation: The subject "The sunset" is singular, so we use "is."

14. Life _______ not a race.
- Answer: Life is not a race.
- Explanation: The subject "Life" is singular, so we use "is."

15. Bob _______ at home now?
- Answer: Bob is at home now?
- Explanation: The subject "Bob" is singular, so we use "is."

16. David _______ from Spain.
- Answer: David is from Spain.
- Explanation: The subject "David" is singular, so we use "is."

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Section 2: Complete the sentences with was/were

1. You _______ on First Street.
- Answer: You were on First Street.
- Explanation: The subject "You" is singular or plural, but since this is past tense, we use "were."

2. She _______ at the station.
- Answer: She was at the station.
- Explanation: The subject "She" is singular, so we use "was."

3. All of the calculators _______ here.
- Answer: All of the calculators were here.
- Explanation: The subject "All of the calculators" is plural, so we use "were."

4. I _______ a really special day.
- Answer: I was a really special day.
- Explanation: The subject "I" is singular, so we use "was."

5. Yesterday _______ a concert at school.
- Answer: Yesterday was a concert at school.
- Explanation: The subject "Yesterday" is singular, so we use "was."

6. My birthday _______ yesterday.
- Answer: My birthday was yesterday.
- Explanation: The subject "My birthday" is singular, so we use "was."

7. This month _______ really busy.
- Answer: This month was really busy.
- Explanation: The subject "This month" is singular, so we use "was."

8. I _______ great at giving tree talks.
- Answer: I was great at giving tree talks.
- Explanation: The subject "I" is singular, so we use "was."

9. Tom _______ the King of chess.
- Answer: Tom was the King of chess.
- Explanation: The subject "Tom" is singular, so we use "was."

10. My teacher _______ strict.
- Answer: My teacher was strict.
- Explanation: The subject "My teacher" is singular, so we use "was."

11. He _______ not a good student.
- Answer: He was not a good student.
- Explanation: The subject "He" is singular, so we use "was."

12. They _______ rich but they _______ kind.
- Answer: They were rich but they were kind.
- Explanation: The subject "They" is plural, so we use "were" twice.

13. It _______ a court.
- Answer: It was a court.
- Explanation: The subject "It" is singular, so we use "was."

14. It _______ an expression.
- Answer: It was an expression.
- Explanation: The subject "It" is singular, so we use "was."

15. David _______ from Spain.
- Answer: David was from Spain.
- Explanation: The subject "David" is singular, so we use "was."

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Final Answer

- Section 1:
1. are
2. are
3. is
4. is
5. is
6. is
7. are
8. is
9. is
10. is
11. is
12. are, are
13. is
14. is
15. is
16. is

- Section 2:
1. were
2. was
3. were
4. was
5. was
6. was
7. was
8. was
9. was
10. was
11. was
12. were, were
13. was
14. was
15. was

Boxed Final Answer:
\boxed{
\text{See detailed answers above.}
}