Ratna Sagar Networks Workbook for Class 4

Networks 1-5 comes with free grammar posters

Networks Workbook

The workbooks complement the main course books.
All the lessons consist of
v   additional lesson-based comprehension exercises. 
v   extensive grammar and vocabulary practice. 
v   dictionary reference, punctuation and linked but unseen comprehension passages. 
The mini dictionary and the grammar notes aid in understanding the vocabulary and grammatical concepts.