时间:2019-02-04 作者:英语课 分类:英文语法词汇


英语课
) 经常性或习惯性的动作,常与表示频腮度的时间状语连用。
  时间状语: every…, sometimes, at…, on Sunday
  I leave home for school at 7 every morning.

2) 客观真理,客观存在,科学事实。
  The earth moves around the sun.
  Shanghai lies in the east of China.
3) 表示格言或警句中。
  Pride goes before a fall. 骄者必败。

  注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。
例:Columbus proved that the earth is round..

4) 现在时刻的状态、能力、性格、个性。
  I don't want so much.
  Ann Wang writes good English but does not speak well.
比较:Now I put the sugar in the cup.
   I am doing my homework now.

  第一句用一般现在时,用于操作演示或指导说明的示范性动作,表示言行的瞬间动作。再如:Now watch me, I switch 1 on the current 2 and stand back. 第二句中的now是进行时的标志,表示正在进行的动作的客观状况,所以后句用一般现在时。

n.开关,电闸,转换,软枝;vt.转变,切换,摆动,转换,使转轨;vi.转换,变换,摆动
  • The switch on the wall was beyond the baby's reach.墙上的开关小孩子是够不到的。
  • There's been a switch in our plans.我们的计划改变了。
n.涌流,趋势,电流,水流,气流;adj.当前的,通用的,流通的,现在的,草写的,最近的
  • Electric current is often powerful enough to kill a man.电流常强得足以致命。
  • There is a story about her in the current number.最近一期上有关于她的故事。
学英语单词
abdominal fins
accessory pyroclast
accomptants
ADU
advanced supersonic transport
agriculturalists
akrate
Alfriston
amodal
arteriorrhagia
assumpts
bedpan
beer bottle
binary-decimal
British protected person
C dating, C-14 dating
cactinomycin
cambeaks
cavum Douglasi
chestnutting
coaming siffener
comprehensive energy consumption
dallapiccolas
database semantic integrity
davy
diversity gradient
duosyllables
Durack R.
earth magnetic field jamming
edge stitching
electric transducers and sensing devices
elementary-aged
enthetobiosis
equal nipple
exulceratio
filtering sterilization
flasky
Forsvik
forwarding receipt
free shear flow
gear on gear pump
going toward
gold gasket seal
gweducs
have a walk
heteromorphic segmentation
high-angle boundary
intensive parameter
intermediate lamella
internal procedure
itum
jewellery armoires
jucho (chucho)
macro-functions
meteor swarms
mispunctuates
multi-channel X-ray fluorescence spectrometer
mursia
myxosporidian
nanograting
naval review
nerita chamaeleon
NVRAM
omnisciences
outby
pauci-
penicillium corymbiferum westen drop
petasecond
plasmagynogamous(michaelis 1955)
Podgora
pollinations
print working directory
pseudo-volcanic eruption
punch tape storage
relative stopping power
reproached
rotary piston engine oil seal
scale dial
self-assurances
septum intertriale
servitutes personarum
skip option
smoke-ecology
solar radio dynamic spectrograph
special warfare armoured transporter
spicy sauce
spying-glass
stopwater material
swash-plate compressor
switching out
Thomas Stearns Eliot
tick-mark farside
Transcaucasian
true slip
two-port valve
ultrasound computerized tomography
vacuum control piston
wachters
weft streak
width of ballast bed
your bitch
Yuna