1) A transitive verb requires an object to receive the action of the verb in order to make sense. Intransitive verbs do not require an object.
2) Common examples of transitive verbs are "love", "carry", "buy", "kick", and "send" as they require an object to receive the action. Common intransitive verbs are "run", "snow", "laugh", and "cry" as they do not require an object.
3) Some verbs can be both transitive and intransitive depending on whether they are acting on a direct object or not in the sentence. To identify the type of verb, you must examine other parts of the sentence like objects, adverbs