时间:2018-12-19 作者:英语课 分类:2018年VOA慢速英语(十一)月


英语课

 


If you can write or speak even just a little English, you have surely used prepositions 2 -- words like "to," "in," "on," "at" and "by." A preposition 1 is a word or group of words that shows direction, location or time. Today on Ask a Teacher, we have a question about one such word.


Question:


Hi, I'm Frank 3 John from Tanzania. I don’t how know to use "by" in a sentence. –Frank John, Tanzania


Answer:


Hello Frank!


It sounds like you know the meaning of “by” but are unsure of how to use it with other words. Let me try to help!


“By” is usually a preposition but sometimes acts as an adverb. It can be used in many ways, but today we will talk about four uses as a preposition and show you where it is placed in a sentence.


Close to / Next to


Let's start with using “by” to show place or location. When we use "by" this way, it means "close to" "next to" or "beside." Here are two examples. Note that “by” comes before the place.


Meet me at the show! I’ll be seated by the door.


The university is by the sea.


Past a place


Now for the second use. When “by” is placed after motion-related verbs -- like "run," "drive," and "walk" -- it often shows movement past a place. Let’s listen:


I walked by the river on Sunday. It was a beautiful day!


Did you drive by my building today? I thought I saw you.


Not later than


Another way we use “by” is to talk about time on a clock. When we use it this way, it means “not later than.” The word “by” comes before the time. Have a listen:


Your appointment is at 1:00. Please arrive by 12:45.


We should leave by 7:00 to beat the crowds.


Alone / Without help


The last use we will consider today is about doing something alone or without any help. We make this meaning with “by” followed with a reflexive pronoun 4, such as "myself" or "yourself."


Here are two examples:


He moved the heavy table all by himself.


I’m sorry, I couldn’t go. Did you go by yourself?


And that’s Ask a Teacher.


I’m Alice Bryant.


Words in This Story


location – n. a position or place


adverb – n. a word that is often used to show time, manner, place, or degree


reflexive – adj. showing that the action in a sentence happens to the person or thing that does the action



1 preposition
n.介词
  • You should cancel this preposition in the sentence.你应该删去句子中的这个介词。
  • We use different preposition to talk about time,days,months and seasons.我们用不动的介词来谈论时间,日,月和季节等。
2 prepositions
n.介词( preposition的名词复数 )
  • She lays a lot of emphasis on the usage of prepositions. 她把重点放在介词的使用上。 来自《简明英汉词典》
  • Prepositions and conjunctions are particles. 介词和连词是小品词。 来自《简明英汉词典》
3 frank
adj.坦白的,直率的,真诚的
  • A frank discussion can help to clear the air.坦率的谈论有助于消除隔阂。
  • She is frank and outgoing.她很爽朗。
4 pronoun
n.代词
  • The relative pronoun is often dropped if it is the subject.关系代名词做受词时常被省略。
  • Here you should use plural pronoun.这里你应该用复数代词。
学英语单词
acid manganous phosphate
acuteangle
aerofoil
Aeronautical mobile-satellite service.
against one's better judgement
Alexander,Samuel
amoroso
base isolation
bats in the belfry
bibitory
bioethanols
Birt
Bursa musculi bicipitis femoris superior
callen
canal section
cationic activation
cis-rich polybutadiene
coefficient of stray light
Comptonia asplenifolia
contexte
Cuilo, R.(Kwilu)
cultural borrowing
disappeared
doo.ri
duck-billed-dinosaur
East African Rift Valley
East Walton
ec directives
enteroceptive
environmentally conscious
erethizontid
evaporative cooling system
fang(muang fang)
fleaborne
fossae supraclavicularis major
fundamental karyotype (battaglia 1952)
Glucinan
grade-six
guignardia arecae
hard data
Hebrew Union College
high house
hightechnology
hit him
home manufacture
humid chamber
hydrobromo-auric acid
hypatonia
identify with sb
intifida
jubatum
kolumbit (columbite)
language information processing
linear-accelerator meson factory
logic(al) graph
manufacturing project office
mattsons
metal-oxide fiber
mock azalias
morrismen
motor aura
multi-row pusher train
nanometrically
network admittance
nonslip safety walk
oak varnish
overglaze colo(u)r
overnight margin
oxygenicity
passive augmentation
Pennsylvania Dutches
plastic capacitor
professional card
radiotelegraphy
reapers
reflected power
register on
remote viewing
rerevision
s up
saltan
sandwich-type shell
Sawol
seed mottling
segment address register
spratelloides gracilis
subgenital porticus
surface shape factor
surface-broach
Szent-Gyorgyi's reaction
toodeloo
total synthesis
Toxoplasmea
Tun.
twelth
V-shaped valley
vertical casting
vitamin tolerance test
weighting scale
Xialiao
yevgeniys
yolk sac endoderm