1. The predicative construction in this sentence is "surprised at their having won the match." This is a complex non-verbal construction consisting of the adjective "surprised," the preposition "at," and the noun phrase "their having won the match" functioning as a gerund phrase serving as the object of the preposition "at." The function of this construction is to express the subject's emotional reaction to an event - in this case, the fact that they won the match. 2. The predicative construction in this sentence is "his father leave the house in the morning." This is a verbal construction consisting of the verb "saw" and the direct object "his father leave the house in the morning," which is a subordinate clause functioning as the direct object of the verb "saw." The function of this construction is to describe what the subject saw. 3. The predicative construction in this sentence is "not to listen to him." This is a verbal construction consisting of the verb "seemed" and the infinitive phrase "not to listen to him" functioning as the direct object of the verb "seemed." The function of this construction is to describe the subject's behavior. 4. The predicative construction in this sentence is "the old man sitting at breakfast." This is a complex non-verbal construction consisting of the noun phrase "the old man" functioning as the subject, the verb "sitting" functioning as a participle, and the prepositional phrase "at breakfast" serving as an adverbial modifier. The function of this construction is to describe what the subject found. 5. The predicative construction in this sentence is "necessary for us to take a taxi." This is a non-verbal construction consisting of the adjective "necessary," the preposition "for," and the pronoun "us" and the infinitive phrase "to take a taxi" functioning as the object of the preposition "for." The function of this construction is to express the necessity of taking a taxi.