The constituency and the behavior of the clausal clitics in Serbo-Croatian, Macedonian and Bulgarian are analyzed. It is argued that, while in Serbo-Croatian the clausal clitics are moved to CP and the cluster is formed in a node that is right-adjoined to C°, in Macedonian and Bulgarian the clitics are base-derived in IP, and the cluster is formed to the immediate left of V. The movement of the clitics to CP reflects the propensity of the clitics in Common Slavic to occur in clitic-second or Wackernagel position. Nevertheless, this propensity is overruled to the extent to which the verb forms a local domain with the clitics
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