1.   One criterion for grading these essays will be their conformity to the rules of traditional grammar.

2.   But it is also commonly found, more or less explicitly, in traditional grammar, as Chomsky himself pointed out, citing the Port-Royal grammar.

3.   He takes his point of departure from traditional grammar, drawing upon his book Traditional English grammar and beyond.

4.   In any case, why does one need traditional grammar to analyse such literary language of the past, if a modern framework can do the job better?

5.   Second, the rule mandating possessives with gerunds used as objects, as in this example, has never been firmly supported even by the titans of traditional grammar.