1. A speech recognition method for use in a complementary multimodal input system, the method comprising: receiving a complementary multimodal input comprising digitized speech as a first modality input and data in at least one further modality input; identifying at least one feature in the speech and at least one feature in the data in said at least one further modality input; and recognising words by comparing identified features in the speech and in the data with states in models for words, said models having states for the recognition of speech, and for words having at least one feature in said at least one further modality associated therewith the models also having states for the recognition of events in said at least one further modality.