The word Sprache will be needed for the translation of sentence (i). Grammar point in this sentence: translation of -ing forms. See handout (ab initio class)
2.The word Deutsch will be needed for the translation of sentence (ii). Grammar point in this sentence: translation of time expression plus English present perfect continuous form: what happens in German? See Blaue Blume Learner's Handbook p. 71, Blaue Blume Course Book, p. 235
3.The word sprechen will be needed for translation in sentence (iii). The grammar point in this sentence has to do with the passive in combination with a particular type of verb. See handout (ab initio class). Also, Blaue Blume Learner's Handbook p. 74 for the basics on these particular verbs
4.The word Adjektiv will be needed for translation in sentence (iv). What could be the grammar point in this sentence? Think about sentence construction and word order. See Blaue Blume Learner's Handbook p.90
5.The word Veränderungen will be needed for translation in sentence (v). The grammar point in this sentence has also to do with sentence construction and word order. See Blaue Blume Learner's Handbook p.86 and p.90