How to distinguish verb phrases: "Verb + preposition" and "Verb + Adverb" How can we see at a glance whether it is an adverb or a preposition

Other respondents don't know what you want to know. I know. Ha ha, it's a word. The part of speech can be preposition or adverb. But what kind of part of speech is it in a sentence? How can we judge it correctly?
Let me explain to you in the simplest way I use
1. Preposition can't exist alone, that is, there must be something following it, no matter what it is,
Adverbs are used to modify other words, such as... De... How, etc., whether they are verbs, adjectives or other words
I'll give you an example, and you'll see it all at once
please come in
sometimes i have a lunch out with Tom.
Here, in is an adverb, modifying the verb come, meaning to come in, out is also an adverb, modifying the verb have to eat, how to eat, is to eat out with friends, here, in and out are not followed by things, is an adverb
he is studying in the classroom
No need for me to say. Ha ha, there is a classroom in the back of. Through the door he escaped
Through the door, the preposition is followed by a noun
OK, everything is done, this is the easiest way. If you want to see those too written, just look at the following, but not as useful as I teach you
preposition:
Prepositions, also known as prepositions, are function words. They are not used as any sentence elements in a sentence. After prepositions, there must be nouns, noun phrases or noun clauses as their objects to form prepositional phrases. Prepositional phrases can act as various sentence elements in a sentence, such as: the flowers in our garden are in full bloom, The prepositional phrase "in our garden" is used as an attributive to modify flowers, and the prepositional phrase "in full bloom" is used as a predicative to indicate the state or situation of the subject. For example, the prepositional phrase "before lunch" is used as an adverbial of time in a sentence
Preposition is one of the most active parts of speech in English. The same preposition and different collocations can express different meanings. Many idioms are composed of prepositions and other words. Therefore, mastering prepositions is the key to learning English well
1. Simple preposition, for example:
At, on, behind, during, from, etc
Some simple prepositions are derived from the present participle of + ing
Considering, caring, reorganizing and so on
2. Compound preposition, for example:
Inside, outside, without, through and so on
3. Compound prepositions are composed of two or more words
According to, because of, ahead of, in front of, on account of, etc
Note: no matter how many words a compound preposition consists of, the last word must be a preposition
Adverbs:
Adverbs are used to modify verbs, adjectives, adverbs, prepositions, conjunctions and other words or phrases to illustrate the nature or state of action. The main syntactic function of adverbs is as adverbials, modifying verbs, adjectives, adverbs, prepositions, conjunctions or some phrases, or even the whole sentence. Adverbs can make the description of language more specific, more comprehensive and more vivid. Therefore, in the transmission of information, Exchange of ideas and feelings to play a powerful function
The common adverbs are: now, ago, before, today, tomorrow, always, sometimes, already, late, soon, here, there, easily, comfortably, hard, happy, sad and so on

How to distinguish verb + preposition and verb + adverb phrases
It's better to write in detail
For example, turn on and look on, the former is a verb + adverb, the latter is a verb + preposition, but how to distinguish when on is an adverb and when it is a preposition

Go to school verb + preposition
Play happy verb + Adverb
The former usually has an object after the preposition
The latter adverb is not followed by a noun or pronoun

What are modal verbs, auxiliary verbs, adverbs and prepositional phrases?

1、 Modal verbs: 1) modal verbs can not express what is happening or has happened, but only mean to expect or estimate the happening of something. 2) modal verbs can only be followed by infinitive without to except for "out" and "have". 3) modal verbs have no change in person or number, that is, modal verbs in the third person singular do not add -

In English verb + adverb phrase and verb + prepositional phrase, if the object is a pronoun, are they placed in the middle or behind?
That's the question. I'd like to ask you, what are you going to prepare for the eighth grade national English Proficiency Contest? What is the scope of the examination?

In English verb + adverb phrase and verb + prepositional phrase, if the object is a pronoun, are they placed in the middle or behind?
A: the verb + adverb phrase is followed by a preposition to take the object;
For example: look down on sb
If the object is a personal pronoun, it can be inserted between the verb and the preposition
Wake him up

Verb + adverb, pronoun in middle phrase and verb + preposition, pronoun in back phrase
Try to have more junior high school

sort it out;pick it up;finish it off;finish him off;knock him over;knock him off;agree with him;play on it;do with it;concur with himlend to us

How to distinguish between prepositions and adverbs in phrasal verbs

We can see whether there are nouns or noun like words or phrases after the function words after the verbs: Generally speaking, some verbs are intransitive, so we need to add a preposition, so that they have the nature of transitive verbs, and then form the verb object structure; while none are generally adverbs I hope you are satisfied

How to distinguish preposition from adverb

1. In the phrase "Verb + Adverb", if the object is a noun, the noun can be placed between the verb and the adverb, or after the adverb; if the object is a pronoun, the pronoun can only be placed between the verb and the adverb, not after the adverb
It's time for breakfast.Wake The boy up (the boy is put between the verb and the adverb.)
It's time for breakfast.Wake Up the boy
It's time for breakfast.Wake In the phrase "Verb + preposition", the object, whether noun or pronoun, must be put after the preposition and a preposition must be added to form a phrase equivalent to a transitive verb
Listen to me
Look at the blackboard
1）Look after the baby.
2) Send for a doctor.
An adverb can be followed by an object. In this case, the verb before the adverb must be a transitive verb. For example, put on the coat. Or put the coat on
In spring the flowers start to come out. (come is an intransitive verb.) 3, 4. There is a logical subject predicate relationship between the adverb in the verb + adverb phrase and the object of the verb, but there is no such relationship in the verb + preposition phrase
1) The lift takes him down
2）Go down the road,you'll find the hospital.
There is no logical subject predicate relationship between the object the road and the preposition down

English translation
I'm going to take an exam. I suddenly found this problem,
How to determine the translation order of prepositions, such as
He is thinking the life in the countryside
He is thinking about life in the country?
She is reading a book in the classroom?
How to determine the translation order?

This is the habit of the British and American countries

English translation
How did the students feel on their way back?

On one's way to sp
Back is used as an adverb here, so omitting to becomes on one's way back
On their way back

English translation
Don't forget to write here
8. In bed
Please answer the questions

get up
by bus/take a bus
at once
in English
thanks for
be good at
on the right
on the bed

How to distinguish verb phrases: "Verb + preposition" and "Verb + Adverb" How can we see at a glance whether it is an adverb or a preposition