With regard to non predicates, what is non predicates

A is a postpositional preposition.

b Such a form cannot be used as a definite.

Thus: a is the past participle as a definite, indicating passivity and completion.

b is not a form of adjective, this can only be used as an adverbial, it is an adverbial in the verb-object relationship.

Both infinitive and participle forms can be used as definite forms, doing, being done, done is the form of the definite form.

What, this is a definite clause, omitting that which

Non-predicate refers to words that do not serve as predicate components but serve as other grammatical functions, mainly including infinitives, gerunds and participles, that is, the non-predicate form of verbs, which can assume other components of the sentence except that they cannot be used as predicates independently.

Non-predicate verbs, also known as non-qualified verbs, can act as many components in sentences, it can have the role of nouns, as subjects, objects, and predicates in sentences; It can have the function of an adjective, as a definite, predicative or object complement in a sentence; It can also function as an adverb and act as an adverbial in a sentence.

Present participle form:

1. The active voice of the present participle: the general expression of the active voice of the present participle occurs at the same time as the action indicated by the predicate verb, and the action expressed in the perfect form occurs before the action indicated by the predicate verb, which is often used as an adverbial.

For example: they went to the park,singing and talking.

They sang and talked and walked towards the park.

2. The passive voice of the present participle: the general form indicates the passive action that occurs at the same time as the predicate verb, and the perfect form indicates the passive action that occurs before the predicate verb.

For example: the problem being discussed is very important

The issues that are being discussed are important.

Differences between non-predicate verbs and predicate verbs:

1. Non-predicate verbs can have the role of nouns (such as verb infinitives and gerunds), and be the subject, object, and predicate in the sentence.

2. Non-predicate verbs can have adjective functions (such as verb infinitives and participles), and can be used as definite, predicative or object complements in sentences.

3. Non-predicate verbs can have adverb functions (such as verb infinitives and participles) and act as adverbials in sentences.

4. The predicate verb is used as a predicate in the sentence, which is limited by the personal pronoun and number of the subject; A non-predicate verb cannot be a predicate alone in a sentence, and it is not limited by the personal and number of the subject.

5. In English, you can't be a predicate of a sentence alone.