This lecture deals with the following questions:

• Do languages of all types grammaticalize along the same parameters?
• Are the sources of grammaticalization paths universally available?
• How can the degree to which a certain notion is grammaticalized in a language be measured?
• How does grammaticalization shape the type of a language?
• How does grammaticalization interrelate with the word-order rules of a language?
• What is the role of grammaticalization in language contact?