The verb extend (in the sense "extend an offer") seems not to fit the pattern; without the Entity Offered/PAT being a noun phrase meaning exactly what the class is about, namely offers, bids, aid, etc., its meaning is more similar to "hand over" than to "offer".
500 classes), we will compare the results with automated synonym discovery methods, such as (van der Plas et al., 2011;van der Plas et al., 2014), either using Deep Learning (looking, e.g., at embeddings based on argument-role mapping) or other previously well-researched methods, such as the LDA which has been already used for Czech, e.g., in (Materna, 2012).