Tone is dependent on the attitude of the author or viewpoint character toward the events of the story
The new sentence, Lion cubs are born with spots, but they lose their spots by the third month, is an example of a COMPOUND VERB.
Compound verb are verbs used in a sentence by a single subject.
The subject in the sentence is LION CUBS.
The compound verbs in the sentence are ARE BORN and LOSE.
Someone close to the speaker has gone without a trace and no warning or message. The speaker is upset about this and wants to leave too because that person is gone. But the speaker wants more to stay and know more, than to leave like that person did.
Hope I helped (:
Try using other novels or books to in as pure you. Hope you get your essay done