Sentence Structure worksheet for language learning practice.

Let’s go through each sentence one by one and figure out which word fits best — “why,” “how,” or “when.” We’re looking for the question word that matches what the phrase is telling us.

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1. Coming through the air, the comet leaves some dust.

This tells us *how* the comet moves — it comes through the air. So we ask: “How does the comet leave dust?” → Answer: By coming through the air.

✔ Correct answer: b. how

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2. Without a trace of uncertainty, he drove the man’s head.

This describes *how* he drove — without any doubt or hesitation. So we ask: “How did he drive?” → Answer: Without uncertainty.

✔ Correct answer: b. how

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3. After the party, they plan to see a movie.

This tells us *when* they plan to see the movie — after the party. So we ask: “When will they see a movie?” → Answer: After the party.

✔ Correct answer: c. when

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4. Because of the long line, they decided to go some other time.

This explains *why* they decided to go another time — because there was a long line. So we ask: “Why did they decide to go another time?” → Answer: Because of the long line.

✔ Correct answer: a. why

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5. Under the sea tree, there’s a really nice bench we can share.

This tells us *where* the bench is — under the sea tree. But wait — our options are only “why,” “how,” or “when.” Hmm… actually, this might be a trick. Let’s read again.

The phrase “Under the sea tree” is describing location — but none of the choices say “where.” That means maybe we need to think differently? Wait — no, look at the directions: “Tell whether each phrase tells how, when, or why.”

But “under the sea tree” doesn’t tell how, when, or why — it tells WHERE. That’s odd. Maybe it’s a mistake? Or perhaps we’re supposed to pick the closest?

Wait — let’s check the original worksheet again (in our mind). Actually, in many worksheets like this, sometimes “where” isn’t an option, so you have to see if it fits any of the three.

But “under the sea tree” doesn’t fit “how,” “when,” or “why.” Unless... maybe it’s meant to be “when”? No. “How”? No. “Why”? No.

Hold on — maybe I misread. Let me double-check the sentence:

> 5. Under the sea tree, there’s a really nice bench we can share.

Actually, this phrase is setting the scene — it’s telling us *where* the bench is. Since “where” isn’t an option, perhaps this is an error? But wait — maybe in context, it’s implying *when*? Like, “when we’re under the sea tree”? Not really.

Alternatively — maybe the worksheet expects us to realize that “under the sea tree” is not answering how/when/why — but since we must choose, perhaps it’s “when”? No, that doesn’t make sense.

Wait — let’s look at sentence 6 too.

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6. Since she had a sore throat, her mother kept her home from school.

This clearly tells us *why* her mother kept her home — because she had a sore throat. So we ask: “Why did her mother keep her home?” → Answer: Since she had a sore throat.

✔ Correct answer: a. why

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Back to #5: “Under the sea tree...”

If we absolutely must pick from “why,” “how,” or “when,” and none fit perfectly, perhaps the intended answer is “when”? But that’s a stretch.

Wait — maybe I made a mistake. Let’s think: Is “under the sea tree” describing *how* they share the bench? No. *When*? Maybe — like, “when we’re under the sea tree, we can share the bench.” That could work!

So if we rephrase: “When we’re under the sea tree, there’s a bench we can share.” Then it becomes a “when” clause.

That makes sense! So even though it’s location, in context, it’s being used to set the time or condition — “when we’re there.”

✔ So for #5, the best fit is: c. when

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Now let’s list all answers:

1. b. how
2. b. how
3. c. when
4. a. why
5. c. when
6. a. why

Final Answer:
1. b
2. b
3. c
4. a
5. c
6. a