时间:2019-01-30 作者:英语课 分类:英文语法词汇


英语课

used to


v
used
(否定式简写为usedn't) 过去经常,以前常常
We used to go there every year. 
我每年都去那儿。
He is not what he used to be. 
他已不是旧日的他了。
It used to be believed that sugar could decay the teeth.
过去人们认为糖会腐蚀牙齿。
Our company used to do business with theirs.
我们公司过去和他们的公司常有业务往来。
My parents used to live in South America and I used to fly there from Europe in the holidays.
我双亲常在南美洲住,假期里我常从欧洲乘飞机到那里去。
This used to be a shabby house. 
此房年久失修。

used to,would这两个词语都可以表示过去常做某事,有时可以换用。
used to do 强调整过去习惯性的行为或状态,但是现在没有这种行为或状态了。因此,这个短语的内涵是今昔对比。
Our dog, Rex,used to sit outside our front gate and bark. 
我们的狗雷克斯过去常蹲在大门外吠叫。
There used to be low and dirty houses. 
那里曾是些矮而肮脏的房舍。



标签: 语法词汇 use 用法
学英语单词
accessory reproductive gland
achiasmatic
Agua de Dios
all one can do
autoxidation of gasolines
back up tape
Ban Nong Takhian
bardsey sd.
battening on
Bechtop
benzoin oxime
blueleek
brake cylinder leakage groove
bring back to
brother uterine
bulbectomize
Bunny Bond
cassia twig
chang'd
chinchilla brevicaudata
chow mein
combined harmonic antenna
commercial zine
cousin marriage
cultural access group
current train graph
Cymbidium hookerianum
deuterogene rock
dianae
direct record
discloak
double planking
downbeating
DTA
elaborate equatorial armillary sphere
equidistant locking pallets
exclusion of penalty
finster
floating decimal
French sixth
geronotology
gossaert
have a hard time
high-breast wheel
hypocala andamana
indirect material costs
intersubstantial
intratympanic
japanese barnyard millets
loading foreman
logistic diagnosis
longed for
man on the other side of the desk
master variable
matsi
maximum safety-capacity
millimeter scale
Minocrin
mullet
multiple accumulating register
myrosins
n-p junction
national competition
nernst ettingshausen effect
no peddler
planning metrials money
potentization
prend
quantum ferrofluids
radioactive barium
rawism
reactor high temperature
receiver diaphragm
resection of fibula
restrictive trade practices act
rim of optic cup
rivettes
saturation limiter
screenshot
screw slip
selecting sequency
sethood
severe duty drive
shielding equipment
shirov
signal-conversion equipment
slow-neutron measurement
sodium maleate
solieria robusta
stripper zone
sunnyvale
super-cold
synchronous exit routine
testoid
thiodiglycolic acid
Tower of Pisa
trapezoided system
Trimitan
tsv
turboprop airplane
uhlmann
wearing plate