//Sometimes my students' Chinglish stumbles disconcertingly onto elemental core meaning that native speakers overlook with their rote patter of nonsense. One example is a student's powerful use of 'like' and 'love' as intransitive verbs.//

You seem to be a good grammar teacher. Grammar ? For ya, what's wrong with using double negatives sometimes? Sample, the British singer of the rolling Stones sings, I can't get no satisfaction. And US President Obama keep using them in his speaches. Why the hipocrasy of native speakers correcting esl learner when there are disagreements.double negatives are part of the English language depending of the situation the speaker is using them.even William Shakespeare used triple negatives in his famous writings.