Below is an outline of the grammar topics covered in each  chapter of the textbook "Ciao" - sixth edition.

Chapter 1 
The verb “to be” (essere) 
 “there is”  and” there are” (C’e', Ci sono)
Nouns: gender of nouns, making nouns plural 
Definite and indefinite articles (a /the)
Interrogative Expressions (Espressioni interrogative) 

Chapter 2 
Adjectives 
The verb “to have” (to have) 
Idiomatic expressions with “avere” 

Chapter 3 
Present tense of regular “are” verbs 
Prepositions (Le preposizioni)
Prepositional contractions (preposizioni articulate) 
“Which?” and “What?” (Quale? / Che?) 

Chapter 4 
Present tense of regular “ere” and “ire”verbs 
The Partitive: some, any (alcuni, qualche, un po’di) 
“How much?” and cardinal numbers (Quanto?) 
Adjectives of quantity (Molto, tanto, troppo, poco, tutto, ogni) 

Chapter 5 
Present tense of irregular “are” verbs ( andare, dare, stare, fare) 
Idiomatic expressions with “fare” 
Present tense of irregular “ere” verbs (bere, dovere, volere, potere) 
Uses of the verbs “to know” (sapere and conoscere) 

Chapter 6 
Possessive adjectives and possessive pronouns 
Present tense of regular “ire” verbs 
Present tense of Irregular ”ire” verbs (dire, venire, uscire) 
Direct object pronouns (I pronomi diretti: lo, la, li, le) 

Chapter 7 
The present perfect tense with “avere” (Il passato prossimo con avere)
The present perfect tense with “essere” (Il passato prossimo con essere)
Time (L’ora)
The prepositions: a, in, da, and per 

Chapter 8 
Present tense  of reflexive and reciprocal verbs 
The present perfect tense of reflexive and reciprocal verbs (Il passato prossimo con verbi riflessivi e reciproci) 
Expressions of time (Espressioni di tempo nel passato) 
Adverbs 

Chapter 9 
The Imperfect tense (L’imperfetto)
Uses of the Imperfect vs the Passato Prossimo 
“Da quanto tempo? Da quando?” 
The pluperfect tense (Il trapassato prossimo) 

Chapter 10 
The Imperative (L’imperativo) 
Demostrative adjectives and pronouns 

Chapter 11
Direct object pronouns 
Indirect object pronouns 
Direct and indirect object pronouns with infinitives and “Ecco” 

Chapter 12
The future tense (il future)
Disjunctive pronouns (I pronomi tonici) 
The verb “Piacere” The impersonal “si “ (il si impersonale) 

Chapter 13 
Uses of “ne” 
Uses of “ci” 
Double object pronouns 
Ordinal numbers 

Chapter 14 
Present conditional tense (il condizionale presente) 
Past conditional tense (il condizionale passato) 
Uses of dovere, potere, and volere in conditional

Chapter 15 
Comparatives (I comparativi)
Superlatives (I superlativi) 

Chapter 16 
Relative and indefinite pronouns 
Negative Expressions 
Il Passato Remoto 
The present progressive tense (il gerundio e la forma progressive) 

Chapter 17 
Present subjunctive (il congiuntivo presente) 
Present subjunctive of irregular verbs (il congiuntivo presente dei verbi irregolari) 
Past subjunctive (il congiuntivo passato) 
Use of suffixes with nouns and pronouns

Chapter 18 
Uses of conjunctions with the Subjunctive Tense (Congiunzioni e congiuntivo) 
Imperfect Subjective (L’imperfetto del congiuntivo) 
Pluperfect Subjunctive (Il Trapassato del congiuntivo)