The value of the grammar school received the attention of the debate for quite some time.Perhaps there is no way to solve the debate because of language teaching and learning in different contexts and thus learn more.
Value of grammar teaching has been the focus of debate for quite some time, perhaps not the solution to the debate because teaching and learning different languages, so learning a lot.
The value of grammar teaching gained the attention of debate for quite some time, perhaps no solution to the debate because of language and context vary, so learning greatly.