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
adjustable pipe clip
aerophone
airborne early warning (aew)
allegation of a patent
anemic cardiopathy
arc furnace side door
array name
bacterium tremo
besprinkle
bever
black square nut
burnisht
Cantonese sundew
carbonic acid ethyl methyl ester
caruway
Casabindo, Cerro de
circulation frequency of Chinese character
clomid
cluster rocket
co-inductions
coach wrench
colotka
complex harmonic current
concrete program
confuted
crinamidine
de-electrify
debonding unit
depth of concavity
digital filter
diplococcus intracellularis meningitidis
display status
doesnt
double agent
edging shears
end hardness
end point of exhaustion cycle
enterokinases
exoergic reactions
factual information
family menuridaes
fast-acting
Fourier optical imaging system
fusion of ocular muscle
gassy ingots
ginyard
goonier
Hooper Bay
hooverings
hunting-horn
Incorp.
iron level
joule's constant
Kawanehon
khambhat
levelling at
line control
local control mechanism
maintenance and service apparatus
malononitriles
methacrylyl-
miyauchi
multiple-element cooler
nonstatistically
not-too
organic process
ormod
Panglosses
plyerss
pressure wedge
principal language of message
productive capitalist
ranunculus natans c.a.mey
rate of permeation
reflector photophore
regressive metamorphosis
relative speed drop
RTSE
russian-speakings
Sakura-gawa
second-order design
semi-quaver
shortia rotundifolia ritoensis
sibynophis chinensis
silk sieve cloth
silvery iron
Siria
slender column
spindleshankss
start-up zone
state-room suite
sugihara
textur(iz)ed protein
trestle-tree
tubulosaccular
turn-key front panel
under-hammer
upper atmospheric thermodynamics
V-8
visceralism
whiskey tenor
xanthopimpla konowi