Research-driven sentence-combining practices is the method of grammar in?struc?tion that students transfer best to actual written expression. Patterns provides ten levels of oral, written and kinesthetic practice to create grammatical pat terns. Sentence Building produces at least two years? growth in language maturity in 15-18 weeks, including heightened gram?mati?cal under?stand – ing and increased sentence variety.

1Graham, Writing Next, 2007