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
aero-radiator
aerosol containers
annular ejector
anti - ballistic missile
anti-racialization
axis rotation matrix
b-sides
Ballycarra
barreleyes
bikini wax
brutalizings
cambre benverse
caterwaulers
cladosporium elatum
conical root
conventional war
coupling speed
deoppilating
depressed class
detane
dexadrine
Dichlorophenoxybutanoic
disallowance of appeal
divell
Doctors' Plot
duck behind
enclosed fiord
enter an item in an account
exogenous toxin
eye-hook
floor framing system
founder members
GCBM
Gummispath
half-wave transformer
hand cylinder method
hand-lens magnifying glass
heavy-duty service
heterogeneous substance
homegirls
ice-breakings
isma
jacobi's poikiloderma
k-rad
K. W. I. C.
licome
linear segment
lo-ovral
mean velocity on a vertical
mechanized and power file
Melv
Metanil
milnesand
Minor league
multiple path catalytic reaction
Murvesco
mycobacterium xenopi
nervi supraorbitalis
nevus lipomatosus superficialis
non-polar stationary phase
non-stressed body
noncy
North Hd.
noxious gas
on-line storage
orsellinates
out-of-bounds
pansporin
Pender Bay
pillowtop
plough chain
pressure anesthesia
put your mind to
quep
reactor vessel head center disc
receive-in port
Reimann's epidemic diarrhea
residual field method
roof plummet
rotational sublevel
rotational wind (component)
rounds of applauses
S-configuration
selective refraction
sholokov
slanting stroke
Sosnovskiy Rayon
standoffishnesses
stippyant
suicide booth
sursumduction
tenfoot
the pools
TLDW
type-m carcinotron
Tyunenskaya Oblast'
ultraviolet ray resisting paper
veegum
wall out
wave angle
wet bar
zahwa