Modality in Syntax, Semantics and Pragmatics

What do we mean when we say things like 'If only we knew what he was up to!' Clearly this is more than just a message, or a question to our addressee. We are expressing simultaneously that we don't know, and also that we wish to know. Several modes of encoding contribute to such modalities of expression: word order, subordinating subjunctions, sentences that are subordinated but nevertheless occur autonomously, and attitudinal discourse adverbs which, far beyond lexical adverbials of modali...