Let’s go through each sentence one by one. Remember, the
subject is who or what the sentence is about — it’s the person, animal, thing, or group doing something (or being described).
We’ll underline the complete subject in each sentence.
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1.
The eye doctor checked my vision.
→ Who is this sentence about? “The eye doctor” → That’s the subject.
✔ Underline: *The eye doctor*
2.
Joe and Scott loved to waterski.
→ Who is this about? Two people: Joe and Scott.
✔ Underline: *Joe and Scott*
3.
The little girl played with her doll.
→ Who played? “The little girl”
✔ Underline: *The little girl*
4.
The black cow ate some grass.
→ Who ate? “The black cow”
✔ Underline: *The black cow*
5.
The grey wolf chased the rabbit.
→ Who chased? “The grey wolf”
✔ Underline: *The grey wolf*
6.
The brown horse galloped around the corral.
→ Who galloped? “The brown horse”
✔ Underline: *The brown horse*
7.
The thunder clapped loudly.
→ What clapped? “The thunder” (yes, even things like thunder can be subjects!)
✔ Underline: *The thunder*
8.
Five boys sat on the benches.
→ Who sat? “Five boys”
✔ Underline: *Five boys*
9.
The big, brown dog jumped over the fence.
→ Who jumped? “The big, brown dog”
✔ Underline: *The big, brown dog*
10.
The black truck raced around the track.
→ What raced? “The black truck”
✔ Underline: *The black truck*
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Final Answer:
1. The eye doctor
2. Joe and Scott
3. The little girl
4. The black cow
5. The grey wolf
6. The brown horse
7. The thunder
8. Five boys
9. The big, brown dog
10. The black truck
Parent Tip: Review the logic above to help your child master the concept of subject worksheet 3rd grade.