“Grammar Toolkit” will help learners of English as a Second Language (ESL) to reach the level of the native speaker of English provided there is constant practice and professional facilitators backing the learner. Grammar is recognized by the experts as the most cumbersome aspects of teaching and learning English because of the many structures and functions to master for nothing less than accuracy. “Grammar Toolkit” is a handbook that embraces the tip of the iceberg where English grammar is concerned, but be rest assured that it covers the most common errors that learners of English as a Second language make. Once the basics are mastered, the sky is the limit for personal progress in writing and speaking with higher levels of accuracy. Students of any elementary, secondary and tertiary level as well as working adults will find the handbook for grammar a useful reference point. Teachers too can use it as a supplementary teaching material.