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
additive system of photographic exposure
aiphyllophilous
all scrap process
anagraphic
ARA-EU
artificial ilk
asaphus
average superficial velocity of two-phase mixture
Baikanthpur
beach strawberry
Borel function
brake release
bring sth up
business of insurance
chain angle
child-king
churchville
cocksmokers
column formula
constant time relay
cooperman
coretraction
coscinodiscus concinnus
cultural park
curcuit contact
default free securities
denubomycin
device ready
dickery
dictaphonic
drug effect
ebullism
encoffining
epimagma
erica tetralixes
Erigeron purpurascens
fines and surcharges for nonreporting
firsten
fodder grinder
forward book
frangipanes
fullness coefficient
gas cleaning plant
general protocol
Gondolella
halberdleaf yellow violet
Half a moment!
halfness
herb christophers
hindfeet
hot-work steel
Klionsky
licence agreement
local cloth hall
low probability of intercept radar (lpir)
maximum swing angle of steering pitman arm
methyl aminoacetate
Mewari
migrant labo(u)r system
operative date
outswim
Pasco
path generation
peak hours
peppar
Phthazole
pick-a-divant
pietose
pletka
pressed duck
radiation mortality
regular sterane
reposite
rheomicrophone
road deck
rotary die presses
russula subnigricans
scattering length
Schistosoma mansoni
sensitive compartmented information
serpophite
ships'service
sideroad
snooper satellite
snugglable
spatial audio
spherical four-bar mechanism
strongly acidic solution
struggling on
sulfochlorinations
swinishness
t flip-flop
Tablas Plat.
tension correction
test of runs
trade label
turnover of passenger traffic
unfreer
way stage
wood-anemone
yahooisms