Parts of Speech (Word Forms)
Pronouns & Possessives
Simple, Compound, & Complex Sentences
Nouns (Count & Non-Count and Irregular Plurals)
Verbs (tenses, modals, passive voice, irregular participles, gerunds & infinitives, and more)
Participial Adjectives "ed" and "ing"
Comparatives and Superlatives
Parallel Structure & Correlative Conjunctions
Connecting Words & Simple, Compound, and Complex Sentences
Adjective Clauses (where, when, whose...)
Adverb Clauses (because, even though, if...)
Adverb Clauses of Time (before, after, when, while)
Conditionals
Participial Phrases & Misplaced or Dangling Modifiers
Prefixes and Suffixes
Prepositions
Articles (a, an, the)
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TOEFL Prep: Mixed Grammar Exercises
eflnet
isabelperez
englishpage
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Guide to Grammar and Writing
grammar-quizzes
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