I don't think that there is any important distinction in that context. If you read that "state verbs express states or conditions", it probably doesn't mean that some express states and others expression conditions. Instead, "states" and "conditions" are probably alternative ways of saying about the same thing.
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hanuman_2000I don't know how to decide whether the given verb is a state verb or condition verb.I think you misread this. State verbs express states or conditions which are relatively static. There are no "condition verbs". A more usual name for state verbs is stative verbs. Besides, the ability to say whether a verb expresses somethin