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
a wad of bills
Abraham's bosom
adularescence
alkoxylate
ancylose
angelfire
available for shipment
ballistic case
bathygadus nipponicus
beche-de-mer
belttype pickup
body-centered cubic crystal
boron filament
bottom sampler
capital owner
carbon ribbon apply indicator
cephalomotor
character data
Chart of Time Zones of the World
Coluria oligocarpa
condescent
cosmophysics
cylinder performance
davallia vestita
denematize
during the passage
economic data
emergency closing device
engine chart
ercans
farhang
fineness-of-grind gauge
friction slip coupling
get on towards
get togethers
given particulars
glycopattern
hallowedly
hemorrhagic otitis
Hydrochoeridae
I'm worried
incaceration
infinite dilution resonance integral
isobutyl propionate
Itaverava
Keuka L.
kings of the hill
Landtags
legal techniques
lowering-speed control valve
Lyford Cay
Manacor
marble-dome
measurement goods
medial angle of eye
megacentres
mildew resistance
model diagnostic checking
moditied constant-voltage charge
multipurpose programme
net positive suction head required for pump
oll korrect
panulirus peniciliatus
pennycuick
pipe die
Polo'a
poulsons
puridoxine hydrochloride
quirns
radiogeophysics
ram sth home
recruitees
relativized cryptography
respiratory dead space
reversible adiabatic change
rnzfb
sarcomatous neuroma
scaleton
second order maximum condition
signalling network
sintering character
solid business firm
spectroscopic temperature
steal heart
steel wire rope stranding-bundling machine
stimulated transition frequence
suction curette
sunstead
technoentrepreneurship
test point
Tomistoma
toy industry
trackwhilescan
trigooa subpineale
Tyndall scattering light
unsteady flow
untreated effluent
uranometrical
usoc
VM (virtual machine)
water-to-carbide type generator
white silky paper