(Chord progressions) may undergo a use.Logical formLearned from8 sentences. Research may undergo a progression.Logical formLearned from8 sentences. Progressions can be slow.Logical formLearned from8 sentences. A progression can be in life.Logical formLearned from7 sentences. Stages may undergo a progression.Logical formLearned from7 sentences. Forms may undergo a progression.Logical formLearned from7 sentences. A piece may undergo a progression.Logical formLearned from7 sentences. Progressions may undergo a use.Logical formLearned from7 sentences. A progression can be short.Logical formLearned from7 sentences. A progression can be from work.Logical formLearned from7 sentences. A role can be in (tumor progression).Logical formLearned from7 sentences. Progression can be to further education.Logical formLearned from7 sentences. A progression can be tonal.Logical formLearned from7 sentences. A natural progression can be for a player.Logical formLearned from7 sentences. (Progression records) can be negative.Logical formLearned from7 sentences.