หนังสือ Grammar Skills +เฉลยท้ายเล่ม

หนังสือ Grammar Skills +เฉลยท้ายเล่ม ภายในเล่ม Contents 1. Articles and Nouns 2. Quantifiers 3. Nouns : Abstract and Possessive 4. Nouns : Phrases and Clauses 5. Adjectival Phrases and Clauses 6. Adverbials of Time and Reason 7.Adverbs of Degree 8. Present Participles Used as Gerunds 9. Phrasal Verbs 10. Modals : used to, need ,dare 11. Different Kinds of Verbs 12. Simple Past and Past Continuous Tenses 13. Present Perfect Tense 14. Present Perfect Continuous Tense 15. Past Perfect and Past Perfect Continuous Tense 16. Expressing Future Time 17. Simple and Compound Sentences 18. Clauses and Complex Sentences 19. Conditional Clauses 20. Active and Passive Voice Revision Test Answer