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  • Hello, it's Crown. Today I'll help you understand English prepositions

  • Short as they are, prepositions are many people's nightmares

  • because they have different usages and meanings when collocating with different words

  • Such flirty players

  • Then what should we do? How to learn prepositions?

  • First of all, let's get clear on the definition of prepositions

  • Prepositions describe relationships

  • After a preposition we'll put a noun, namely the object of the preposition

  • The whole unit is called a prepositional phrase

  • such as on the floor, in the room, beside the chair

  • on, in, beside are prepositions

  • the floor, the room, and the chair are the objects of the prepositions

  • If we put these prepositional phrases in a sentence

  • they'll have different functions according to different positions

  • If it's after a noun, it's used as an adjective to modify the noun

  • the puppy on the floor

  • If it's after a be verb, it's used as a complement to modify the noun

  • The puppy is on the floor

  • If it's after a verb, it's used as an adverb to modify the verb

  • The puppy sat on the floor

  • Wherever the prepositional phrase is

  • it always describes the relationship of the words it modifies

  • the puppy on the floor, the puppy is on the floor, the puppy sat on the floor

  • Besides nouns, things that can "be used as nouns"

  • like pronouns, gerunds and noun clauses, can be put after a preposition

  • and be used as the object of the preposition to form a prepositional phrase

  • such as "against me"

  • a preposition and a pronoun, me

  • "without stopping"

  • a preposition and a gerund, stopping

  • "for what he has done"

  • a preposition and a noun clause, what he has done

  • There are many common prepositions including at, on, in, from

  • ...

  • by...with...

  • ........

  • to…...(Go on, not over yet, not over yet)

  • ...........

  • from.....?

  • (You already said it!) Hahaha really?

  • at, on, in, from, to, for, of, with, by, etc.

  • Prepositions have many different meanings when collocating with different words

  • Today's video is mainly the basic introduction to prepositions

  • so we won't explain in detail what different meanings there are under different circumstances

  • As for more detailed lessons, in the future

  • .....

  • Will we do it? (May...Maybe?)

  • Today we're gonna talk about top 3 commonly seen prepositions: at, on, in

  • and how they describe positions and time

  • These 3 are usually used to describe different kinds of places and time

  • Although you can memorize their collocations one by one

  • if you get the hang of prepositions, you can still infer some usages

  • Technically, at, on, in respectively indicates points, surfaces, and spaces

  • Now let's see how to use at, on, in to describe positions and time

  • When these 3 are used to describe positions, "at" is for a point, "on" for a surface, and "in" for a space

  • "At somewhere" indicates an exact point

  • such as at the table, at the bus stop, at the store

  • "On somewhere" indicates a surface

  • such as on the second floor or on the street

  • "In somewhere" indicates a space

  • It can be big as a universe or small as a cup

  • such as in the world, in the river, in the room

  • But some places can be modified by different prepositions

  • In such cases the meanings are a little different

  • For example

  • Beach 海灘, at or on?

  • If it's "at the beach," it means the exact location, the beach

  • If it's "on the beach," it means the surface of the beach

  • Office 辦公室, at or in?

  • If it's "at the office," it means the exact location, the office

  • If it's "in the office," it means inside the office

  • Water 水, on or in?

  • If it's "on the water," it means upon the surface of the water

  • If it's "in the water," it means inside the water

  • You still with me?

  • All right?

  • Is it too boring for you?

  • The following are simpler anyway

  • When we use these 3 prepositions to describe time

  • "At" indicates precise points in time

  • "On" indicates certain days or dates

  • "In" indicates long periods

  • "At a certain time" emphasizes the moment when something happens

  • such as at noon, at 6 o'clock

  • "On a certain time" indicates specific dates

  • such as on Friday, on April 1st, on Halloween

  • "In a certain time" describes a longer period of time

  • such as in the morning, in September, in spring, in 2015

  • Is that simpler?

  • Here we have an interesting point in time, weekend

  • Some say "at the weekend," "on the weekend," while others say "in the weekend"

  • When you're not sure which preposition to use

  • I recommend you go to Google Ngram and check how most people use it

  • In Google Ngram, you can use commas to separate the collocations you want to compare

  • The search engine will tell you which usage is more common

  • Here we can tell "on the weekend" is the most common one

  • Alright! After all that explanation, do you have a better understanding of prepositions?

  • Please say yes

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  • And that is a wrap, thank you guys for watching as always

  • and I'll catch you guys next time! See ya!

Hello, it's Crown. Today I'll help you understand English prepositions

Subtitles and vocabulary

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A2 preposition puppy noun floor prepositional describe

Understanding Prepositions

Video vocabulary