1. Introduction
2. Grammaticalization and its Meaning
3. Where Does Grammar Come From?
4. Characteristics of Grammaticalization
5. Motivations for Grammaticalization
6. From Source to Target: Basicness as Relevance Factor
7. Auxiliary Verbs
7.1. Auxiliation Chains
7.1.1. Verb-to-TAM Chains
7.2. Stages of Auxiliation
7.3. Sit, Stand and Lie as Aspectual Markers
7.3.1. The Evolution of the Sit/Stand/Lie Aspectual Structure
7.3.2. Shift from Locative to Temporal Meaning
7.4. The Future: It Comes, It Goes, It Has to Be
7.4.1. Pathways of Future
7.4.2. From Desire to Prediction
7.4.3. From Motion-in-Space to Progress-in-Time
7.4.5. Obligation Futures
7.5. The Case of Used to
8. From Verb to Preposition
8.1. Prerequisites and Conditioning Factors
8.1.1. European Languages
8.1.2. Serial Verb Languages
8.2. Semantic, Morphological and Phonological Changes
8.2.1. Between Verb and Preposition
8.2.2. Coalescence and Phonological Erosion
8.3. Source and Target Domains of Deverbal Prepositions
9. The Evolution of Complementizers
9.1. The Grammaticalization of a 'Say' Verb in Ewe
9.2. Evidence from Other Languages
9.3. Reanalysis at Work
9.4. Universals versus Substrate
10. A New Quotative Marker: English Be Like
10.1. A Teenage Phenomenon?
10.2. A Notoriously Polyfunctional Item
10.3. Origin and Evolution of Like
10.4. Subjectification
11. Conclusion
12. Summary (Zusammenfassung)
13. Bibliography