Written in simple non technical and easy to understand Indonesian language this book is an essential resource book for Basic Structure course that explains Parts of speech which include noun adjective verb adverb pronoun article preposition conjunction and interjection Tenses which include simple present tense present progressive continuous tense present perfect tense simple past tense past progressive continuous tense past perfect tense simple future tense and future progressive continuous tense Written in simple, non-technical, and easy-to-understand Indonesian language, this book is an essential resource book for Basic Structure course that explains: - Parts of speech which include noun, adjective, verb, adverb, pronoun, article, preposition, conjunction, and interjection; - Tenses which include simple present tense, present progressive/continuous tense, present perfect tense, simple ...past tense, past progressive/continuous tense, past perfect tense, simple future tense, and future progressive/ continuous tense.