English grammar worksheet focusing on past, present, and future tenses with verb conjugation exercises.

Let's solve this grammar exercise step by step. The task is to fill in the blanks with the correct verb form based on whether the action is in the past, present, or future.

We’ll analyze each sentence and determine the appropriate tense, then provide the correct verb form.

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1. I always _________ (send) postcards to my friends when I travel.

- "Always" + "when I travel" → habitual action → present simple
- ✔ send

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2. Last year I _________ (visit) Korea.

- "Last year" → past time → past simple
- ✔ visited

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3. Next year I _________ (go) to Disney World.

- "Next year" → future time → future simple
- ✔ will go (or "am going" — both are acceptable, but "will go" is more common in such contexts)

> Note: In formal writing, "will go" is preferred for future plans not yet confirmed. But since it's a plan, "am going" could also be acceptable. However, for simplicity and standard use in such exercises, will go is best.

✔ will go

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4. Last weekend I _________ (go) to the market and I _________ (buy) souvenirs.

- "Last weekend" → past → past simple
- ✔ went, bought

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5. Later today she _________ (take) a food tour around Chiang Mai.

- "Later today" → future → future simple
- ✔ will take

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6. Two years ago I _________ (take) many photographs of the mountains.

- "Two years ago" → past → past simple
- ✔ took

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7. Tomorrow I _________ (buy) some souvenirs at the market.

- "Tomorrow" → future → future simple
- ✔ will buy

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8. When I travel I usually _________ (bring) my camera and some books.

- "When I travel" → habitual action → present simple
- ✔ bring

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9. Tomorrow I _________ (drive) around the mountains and enjoy the scenery.

- "Tomorrow" → future → future simple
- ✔ will drive

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10. Last summer I _________ (take) a temple tour in Kyoto, Japan.

- "Last summer" → past → past simple
- ✔ took

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11. I often _________ (see) many tourists at the market.

- "Often" → habitual action → present simple
- ✔ see

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12. Tomorrow I _________ (wake up) early to watch the sunrise at the temple.

- "Tomorrow" → future → future simple
- ✔ will wake up

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13. After breakfast we _________ (go) to the art museum.

- "After breakfast" → future event → future simple
- ✔ will go

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14. I always _________ (look) at the scenery when I ride the train.

- "Always" + "when I ride" → habitual action → present simple
- ✔ look

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15. Last night I _________ (talk) to some locals about the best attractions.

- "Last night" → past → past simple
- ✔ talked

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16. Sometimes I _________ (forget) to pack my toothbrush when I travel!

- "Sometimes" + "when I travel" → habitual action → present simple
- ✔ forget

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17. Tomorrow I _________ (go) to the post office and I _________ (send) some postcards.

- "Tomorrow" → future → future simple
- ✔ will go, will send

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18. I usually _________ (listen) to music when I am on an airplane.

- "Usually" + "when I am on..." → habitual action → present simple
- ✔ listen

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✔ Final Answer Key:

1. send
2. visited
3. will go
4. went, bought
5. will take
6. took
7. will buy
8. bring
9. will drive
10. took
11. see
12. will wake up
13. will go
14. look
15. talked
16. forget
17. will go, will send
18. listen

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🔍 Explanation Summary:

- Present Simple: Used for habits, general truths, routines (e.g., *always*, *usually*, *often*, *when I travel*).
- Past Simple: Used for completed actions in the past (e.g., *last year*, *last weekend*, *two years ago*).
- Future Simple: Used for actions that will happen in the future (e.g., *tomorrow*, *next year*, *later today*).

This exercise helps reinforce understanding of verb tenses based on time markers and context.