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: Before a test, look at the error analysis section to see which concepts are most likely to be confusing.

: Simple breakdowns of all grammar rules studied in the 4th-grade curriculum.

: Use the keys to verify your child's work after they have attempted it themselves to build independence.

: Mastery of Present Simple , Present Continuous , Past Simple , and Future Simple , as well as an introduction to Present Perfect .

: Rules for word order and forming degrees of comparison (e.g., big, bigger, the biggest ).