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
acceleration test
acephobia
agig
air space
alloxazin
alpha glucosidase
antenna lobe
antirailroad
Azerraf
barbatinic acid
Baryshnikov
bidding rules
Bisongu, L.
bladerunner
C Language standard
cabinet latch
california-berkeley
carminophil cell
chacarero
chiasma frequency
chinese lesser civet
chory
circuit bridge
clustered aggregate
coila
constraint domain
contextualizations
descant recorder
direct-sum topological space
divellicated
drytte
easy as winking
electromagnetic seed cleaner
engine generators
forge fan
foul fish
generic attribute
geo-stationary orbit
good old dayss
hemp family
hide up
hiller
impactings
Institute of Navigation and Electronic Engineering
interest on current debt
iodine nuclide composition
irritable uterus
Kakindu
kampots
koettite
laminae cribrosa
laying in
leptostracans
lithosis
logical subnet
luragoes
magical realism
Minkowski coordinate system
noil yarn
non-participating
non-segregated
Norepirenamine
norflexes
notching relay
nystafungin
Phacelocarpus
plenicorn
precipitation particle
protopathic sensation
pseudocyclopiid
purple sandpiper
quench tower
Radauti
rate of occurrence of closing without proper command
recalculable
ring sticking test
rudderhole
Rule of Employment of Seamen
salming
saponated cresol
scriabins
self inflation
send date
shoka
short closing
single velocity stage
Strausstown
Streptococcus meningitidis
subvertising
sulphur hexafluoride
tamasi
tantalum sheet
Tensinyl
Terakeka
tetes-de-pont
trcrine
Trimethyl-1-pentene
wave-particle duality
wear mechanism
wet film hanger
write font