This research project was devoted to the study of the general process of question formation in creole languages. From a theoretical perspective, it aimed to evaluate the Clausal Typing Hypothesis (CTH) of Cheng (1997), and to explore the relationship between focus and questions as well as the question whether the filler-gap dependency in questions is the result of actual movement. The other perspective was comparative. One of the leading questions here was whether there is a clustering effect: (i) which properties of question formation are uniform across creole languages? The working hypothesis of the project was that creole languages conform to the CTH: a strict correlation between Y/N question particles and wh-in-situ-ness. The use of Cleft constructions saves the CTH-contradiction, i.e. question words surface in the left periphery. Focus-features are responsible for this placement. The proper analysis of cleft constructions is a bi-clausal analysis, in terms of base-generation. One of the outcomes of the project is that creole languages do not directly support the CTH. Furthermore, there does not seem to be a one-to-one relationship between Focus and Questions. Cleft constructions have been identified for most of the Creoles under investigation. They have been shown to be bi-clausal constructions. Exhaustivity is not a defining semantic feature of the Cleft construction. There is initial evidence from for the claim that "apparent" WH-dependencies are not the result of "actual" movement but that they can arise from a base-generation strategy, where the syntactic operation AGREE establishes the syntactic connection.