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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 21 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: mows his lawn every Sunday, Three hungry foxes, slept by the fire, Our new teacher, ran into a hole, The tall oak tree

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

Sort: fell down in the storm, Grandma's black cat, dug under the fence, A flock of noisy geese, planted seeds in the garden, My little brother

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

Sort: A small brown mouse, climbed ninety-seven steps, read us a funny story, waved from the window, The girl in the red coat, The man next door

Complete subjectComplete predicate

LessonPrint · L.3.1 · Set 21 · free to copy for classroom use

Answer key — Complete Subject, Complete Predicate

Set 21. Prints on its own sheet.

  1. 1.1. mows his lawn every Sunday — Complete predicate 2. Our new teacher — Complete subject 3. ran into a hole — Complete predicate 4. slept by the fire — Complete predicate 5. The tall oak tree — Complete subject 6. Three hungry foxes — Complete subject
  2. 2.1. A flock of noisy geese — Complete subject 2. dug under the fence — Complete predicate 3. fell down in the storm — Complete predicate 4. Grandma's black cat — Complete subject 5. My little brother — Complete subject 6. planted seeds in the garden — Complete predicate
  3. 3.1. A small brown mouse — Complete subject 2. climbed ninety-seven steps — Complete predicate 3. read us a funny story — Complete predicate 4. The girl in the red coat — Complete subject 5. The man next door — Complete subject 6. waved from the window — Complete predicate

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