Past Tense Verbs Worksheets :: 433 - 456 - Free Printable

The task is to convert each verb into its past tense form. Here's the solution with explanations:

Regular Verbs

- Rule 1: Add -ed to most verbs.
- Rule 2: If the verb ends in a consonant + y, drop the y and add -ied.
- Rule 3: If the verb ends in a vowel + consonant, double the consonant and add -ed.

Irregular Verbs

- Irregular verbs do not follow the regular rules. Their past tense forms must be memorized.

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Solutions:

#### Regular Verbs
1. Stop → Stopped
- Rule: Add -ed.

2. Jump → Jumped
- Rule: Add -ed.

3. Flash → Flashed
- Rule: Add -ed.

4. Worry → Worried
- Rule: Add -ed.

5. Is → Was
- Rule: Irregular verb (memorize).

6. Echo → Echoed
- Rule: Add -ed.

7. Bake → Baked
- Rule: Add -ed.

8. Clean → Cleaned
- Rule: Add -ed.

9. Flip → Flipped
- Rule: Add -ed.

10. Am → Was
- Rule: Irregular verb (memorize).

#### Irregular Verbs
11. Are → Were
- Rule: Irregular verb (memorize).

12. Walk → Walked
- Rule: Add -ed.

13. Wash → Washed
- Rule: Add -ed.

14. Fly → Flew
- Rule: Irregular verb (memorize).

15. Stand → Stood
- Rule: Irregular verb (memorize).

16. Hope → Hoped
- Rule: Add -ed.

17. Watch → Watched
- Rule: Add -ed.

18. Read → Read
- Rule: Irregular verb (past tense is the same as the present tense).

19. Put → Put
- Rule: Irregular verb (past tense is the same as the present tense).

20. Ask → Asked
- Rule: Add -ed.

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Final Answer:

1. Stop → Stopped
2. Jump → Jumped
3. Flash → Flashed
4. Worry → Worried
5. Is → Was
6. Echo → Echoed
7. Bake → Baked
8. Clean → Cleaned
9. Flip → Flipped
10. Am → Was
11. Are → Were
12. Walk → Walked
13. Wash → Washed
14. Fly → Flew
15. Stand → Stood
16. Hope → Hoped
17. Watch → Watched
18. Read → Read
19. Put → Put
20. Ask → Asked

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Explanation of Irregular Verbs:

Some verbs do not follow the regular rules for forming the past tense. These are called irregular verbs, and their past tense forms must be memorized. Examples include:
- Be: Present = am/is/are, Past = was/were
- Fly: Present = fly, Past = flew
- Stand: Present = stand, Past = stood
- Read: Present = read, Past = read (same as present)
- Put: Present = put, Past = put (same as present)

These irregular verbs are common in English and should be learned through practice and repetition.

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Final Answer Box:
\boxed{
\begin{array}{ll}
1. \text{Stop} \rightarrow \text{Stopped} & 11. \text{Are} \rightarrow \text{Were} \\
2. \text{Jump} \rightarrow \text{Jumped} & 12. \text{Walk} \rightarrow \text{Walked} \\
3. \text{Flash} \rightarrow \text{Flashed} & 13. \text{Wash} \rightarrow \text{Washed} \\
4. \text{Worry} \rightarrow \text{Worried} & 14. \text{Fly} \rightarrow \text{Flew} \\
5. \text{Is} \rightarrow \text{Was} & 15. \text{Stand} \rightarrow \text{Stood} \\
6. \text{Echo} \rightarrow \text{Echoed} & 16. \text{Hope} \rightarrow \text{Hoped} \\
7. \text{Bake} \rightarrow \text{Baked} & 17. \text{Watch} \rightarrow \text{Watched} \\
8. \text{Clean} \rightarrow \text{Cleaned} & 18. \text{Read} \rightarrow \text{Read} \\
9. \text{Flip} \rightarrow \text{Flipped} & 19. \text{Put} \rightarrow \text{Put} \\
10. \text{Am} \rightarrow \text{Was} & 20. \text{Ask} \rightarrow \text{Asked} \\
\end{array}
}