From the Book - Premium second edition.
Definite and indefinite articles
Pronouns, plurals, and the verb sein
Titles, locations, and interrogatives
The verbs haben and werden and negation
The present tense and numbers
Direct objects and the accusative case
Irregular verbs in the present tense
Separable and inseparable prefixes and imperatives
Accusative case prepositions and interrogatives
Regular verbs in the past tense and word order
Indirect objects and the dative case
Irregular verbs in the past tense
Modal auxiliaries in the present and past tenses
The accusative-dative prepositions
Regular verbs in the present perfect tense and more imperatives
Genitive case, the comparative, and the superlative
Irregular verbs in the present perfect tense and adjectives
Past perfect, future, and future perfect tenses
Modifiers, adverbs, reflexive pronouns, and conjunctions
Double infinitive structures
Appendix A: The principal parts of irregular verbs
Appendix B: Prepositions and their required cases
Appendix C: Summary of declensions.