This book is a scientific research thesis which assesses the effectiveness of the Task-Based Language Teaching and Presentation-Practice-Production approaches in the teaching of English Grammar.Firstly, it presents a theoretical overview of the existing literature on both teaching models in ELT in general and Grammar in particular.Secondly, the book presents the results of the experimental study conducted on the effectiveness of both approaches.Therefore, this research thesis is an essential reference document for teachers of English as a foreign language. It gives some useful recommendations for the teaching of Grammar lessons.It also gives some models of lesson plans for the implementation of the TBL and PPP approaches.