So many writers and speakers of English have NO IDEA what parallel construction is or what it does; hence they do not use it. They have never been taught to diagram sentences, or else they did not pay attention and get a grasp on the concept. Poor or nonexistent parallel construction is...
Like nouns, verbs are an essential part of all sentences. They are the words we use to describe an action (menyanyikan - to sing), a state of being (hidup - to exist), or an occurrence (mengembangkan - to develop), and they usually have to agree with a subject, which is who or ...