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Complete Subject, Complete Predicate is a free printable Grade 3 English worksheet on splitting a sentence into who it is about and what they do, aligned to Common Core standard L.3.1. It prints 3 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 23 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Complete Subject, Complete Predicate

L.3.1

NameDate

Sort each part into the right column.

1.Sort each one: Complete subject or Complete predicate?

Sort: A small brown mouse, The old lighthouse keeper, The man next door, fell down in the storm, slept by the fire, ran into a hole

Complete subjectComplete predicate
2.Sort each one: Complete subject or Complete predicate?

Sort: dug under the fence, waved from the window, mows his lawn every Sunday, A flock of noisy geese, The tall oak tree, My little brother

Complete subjectComplete predicate
3.Sort each one: Complete subject or Complete predicate?

Sort: Three hungry foxes, Grandma's black cat, planted seeds in the garden, made honey all summer, laughed at the clown, The girl in the red coat

Complete subjectComplete predicate

LessonPrint · L.3.1 · Set 23 · free to copy for classroom use

Answer key — Complete Subject, Complete Predicate

Set 23. Prints on its own sheet.

  1. 1.1. A small brown mouse — Complete subject 2. fell down in the storm — Complete predicate 3. ran into a hole — Complete predicate 4. slept by the fire — Complete predicate 5. The man next door — Complete subject 6. The old lighthouse keeper — Complete subject
  2. 2.1. A flock of noisy geese — Complete subject 2. dug under the fence — Complete predicate 3. mows his lawn every Sunday — Complete predicate 4. My little brother — Complete subject 5. The tall oak tree — Complete subject 6. waved from the window — Complete predicate
  3. 3.1. Grandma's black cat — Complete subject 2. laughed at the clown — Complete predicate 3. made honey all summer — Complete predicate 4. planted seeds in the garden — Complete predicate 5. The girl in the red coat — Complete subject 6. Three hungry foxes — Complete subject

Last reviewed 2026-09-05. Aligned to L.3.1 of the Common Core State Standards for English Language Arts.