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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 17 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: Our new teacher, fell down in the storm, waved from the window, The old lighthouse keeper, A small brown mouse, mows his lawn every Sunday

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

Sort: dug under the fence, Three hungry foxes, The children in Room 3, flew over the lake, The man next door, ran into a hole

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

Sort: planted seeds in the garden, laughed at the clown, The busy bees, My little brother, made honey all summer, The tall oak tree

Complete subjectComplete predicate

LessonPrint · L.3.1 · Set 17 · free to copy for classroom use

Answer key — Complete Subject, Complete Predicate

Set 17. Prints on its own sheet.

  1. 1.1. A small brown mouse — Complete subject 2. fell down in the storm — Complete predicate 3. mows his lawn every Sunday — Complete predicate 4. Our new teacher — Complete subject 5. The old lighthouse keeper — Complete subject 6. waved from the window — Complete predicate
  2. 2.1. dug under the fence — Complete predicate 2. flew over the lake — Complete predicate 3. ran into a hole — Complete predicate 4. The children in Room 3 — Complete subject 5. The man next door — Complete subject 6. Three hungry foxes — Complete subject
  3. 3.1. laughed at the clown — Complete predicate 2. made honey all summer — Complete predicate 3. My little brother — Complete subject 4. planted seeds in the garden — Complete predicate 5. The busy bees — Complete subject 6. The tall oak tree — Complete subject

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