- Synonyms
- Antonyms
- Tense
- Active and Passive Voice
- Direct and Indirect
- Conditional Sentences
- Nouns
- Pronouns
- Verbs
- Adverbs
- Adjectives
- Conjunctions
- Prepositions
- Words Followed by Prepositions
- Interjections
- Articles (a, an, the)
- Singular and Plural
- Subject-Verb Agreement
- Error Detection
- Sentence Completion
- Reading Comprehension
- Spelling Correction
- Analogies
- Idioms
- One-word Substitutions