"Interactive worksheet for kids to identify the first word in each sentence, featuring fun illustrations and simple sentences."

The task is to identify the first word in each sentence and mark it by checking the corresponding box. Let's solve this step by step:

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Sentence 1:

He is my friend.
- The first word in the sentence is "He".
- Mark the first box under this sentence.

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Sentence 2:

I like the color red.
- The first word in the sentence is "I".
- Mark the first box under this sentence.

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Sentence 3:

Do you like to swim?
- The first word in the sentence is "Do".
- Mark the first box under this sentence.

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Sentence 4:

We have a pet cat.
- The first word in the sentence is "We".
- Mark the first box under this sentence.

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Sentence 5:

She is my teacher.
- The first word in the sentence is "She".
- Mark the first box under this sentence.

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Final Answer:

Mark the first box in each row for all sentences.

Boxes to check:
1. First box under Sentence 1
2. First box under Sentence 2
3. First box under Sentence 3
4. First box under Sentence 4
5. First box under Sentence 5

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Final Answer Boxed:
\boxed{1, 1, 1, 1, 1}