English

• One Word Substitution
• Idioms and Phrases
• Fill in the Blanks
• Error Correction  

1. Error Of Noun 
2. Error of Pronoun
3. Error of Adjective
4. Error of Verb
5. Error of Adverb
6. Error of Preposition
7. Error Conjunction 
8. Error Interjection
9. error of Article

• Cloze Test
• Sentence improvements
• Synonyms 
• Antonyms  
• Proverb 

barron's 1100 words you need to know pdf 

• Vocabulary 

1.GRE Mnemonics Dictionary  2.Download Gre Barron's 12th edition  
3. Download vocabulary pdf file

• Grammar  

1. Voice Change
2. Narration Change 

Download wren and martin english grammar pdf