Is there the rest of this question somewhere?
Answer: excuse me but could you explain further to make this question of yours explainable
Cyclops is motivated to do this because Odysseus tricked him and humiliated him, and even had the hubris in the end to mess with him about it. Poseidon is the Cyclops' father so naturally the Cyclops wants help and Poseidon can do it because Odysseus is traveling by sea.
The sentence that has the correct subject-verb agreement is the second one:
Loud claps of thunder shake the house.
Since the subject <em>loud claps of thunder </em>is in the plural form, the verb <em>shake </em>also has to be in the plural form.
