Complete or Incomplete? The SAFE Sentence Guide + SAT Practice Game
Complete or incomplete? Stop guessing how a sentence sounds. Gouda Academy’s Sentence Detective teaches you to find the proof, one simple step at a time.
THE SAFE CHECK
S — Subject: Who or what is the main statement about?
A — Actual working verb: What does the subject do, or what is it? Include helpers such as is, has, and will.
F — Free main clause: Is the subject and verb making a main statement, or are they inside an attached clause or description?
E — End finished: Does this use of the verb still need something? Check that every attachment fits and every clause is joined correctly.
For example: “Although Maya was tired” is incomplete. But “Although Maya was tired, she studied” is complete because “she studied” supplies the main clause. Also, “is” counts as a working verb, “running” alone does not, and “however” does not normally work like “because.”
START EASY, THEN SOLVE REAL SAT EXCERPTS
Read eight simple lessons, try 20 easy warm-ups, and complete ten missions containing 100 verified excerpts from official College Board SAT Practice Tests 9, 10, and 11. Every item includes a detailed explanation, a subject-and-verb breakdown, and a repair or sentence skeleton.
The 100 SAT examples include whole sentences and exact extracted clauses or phrases; some pairs come from the same source question. An incomplete extracted piece is not an error in the original test. Each example identifies its test, module, question, and PDF page.
EARN REWARDS AS YOU LEARN
Collect XP, open mission chests, earn seven skill badges, and revisit missed items in the repair lab. Finish the 10-question punctuation challenge to distinguish fragments from comma splices and run-ons. Master all 100 SAT excerpts and all 10 punctuation challenges to unlock a printable certificate.
There is no timer and no account is required. Progress stays in the current browser on the current device. You can copy a practice report to share with your teacher. It is a learning report, not a predicted SAT score.
YOUR FIVE-DAY PLAN
Day 1: Learn SAFE and finish the warm-ups. Day 2: S001–S030. Day 3: S031–S060. Day 4: S061–S100. Day 5: Repair mistakes and complete the punctuation challenge. Take longer when needed: the goal is to explain your answer.
Prepared by Mr. Kareem Gouda — Gouda Academy. SAT is a registered trademark of College Board. This independent teaching resource is not affiliated with or endorsed by College Board.
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