opinions vary as to why a growing number of people offer help to others,but i think there are two major reasons.
This sentence can be divided into two parts to analyze the grammatical structure:
opinions vary as to why a growing number of people offer help to others,"
opinions vary"is a predicate verb phrase of the main clause that means "disagree" or "disagree".
as to why a growing number of people offer help to others"is a prepositional phrase that is used to explain why opinions differ. In this phrase,"as to"is a prepositional phrase that leads out a phrase that leads out an and"why a growing number of people offer help to others"related clauses.
why a growing number of people offer help to others"is an object clause that explains"as to"Bootstrap content. This clause includes the following components:
why"It is a conjunction, which leads to an object clause, leading a question.
a growing number of people"is the subject and means "more and more people".
offer help to others"is a predicate verb phrase that means "to give help to other people".
but i think there are two major reasons."
but"is a coordinating conjunction that is used to guide the contrast or opposition of the first half of the sentence.
i think"is a predicate verb phrase of the main clause that expresses the speaker's point of view or opinion.
there are two major reasons"is the other part of the main clause that indicates that the speaker thinks there are two main reasons.
About"offer"forms, which are a common grammatical structure, are called"Infinitive phrases"（infinitive phrase）。In this phrase,"to"It is followed by the original form of the verb"offer", constituted"offer to others", which is an infinitive phrase that describes the purpose or intent of an action. This is a common construction in the English language to express what someone intends to do. Here, it explains why more and more people are offering help to others.