Grammarly
Grammarly Blog: Double Negatives: 3 Rules You Must Know
This page explains the 3 rules for double negatives: each subject-predicate construction should only have one negative form, a double negative is a non-standard sentence construction that uses two negative forms, and standard English is...
SMART Technologies
Smart: Sentences
Students will identify what makes a sentence and improve their own sentence construction in this interactive whiteboard lesson activity provided by SMART.