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
.pl
1-Phosphofructokinase
advantages of leasing
anogenital
apocrisiary
astatizes
at all
Aurgaza
Baguio
Barghamad
Bauer's method staining
bishoping
booking form
booster units
boot-licker
built in cavity
Bynoe Harb.
carryload scraper
caryapundy swamp
Chicago grip
chipbench
cockblocks
coincident circuit
commother
composite fiber cable
consignment in accounts in the balance sheet
cross recessed head machine screw
cross-inclined boiler
depreciation sinking fund method
differential transformator
diffractaic acid
disharmonize
diversity system
ecological statistics
electron tube rack
fall behind
fat-fingering
FYF
geographic ecology
gold standard country
gozzoli
harbourage
harrihi
hereditary death
hydrographic datum note
idenfifcation
infrared nondestructive testing
irregular meteorological disturbance
Japanophile
Kalkreuth
kathiawar pen. (saurashtra )
Kodavas
likleys
link utilization
load continuously
lopostomatous
make an amendment
maritime action
mercuric lactate
misbehave
mop sth up
moraine lake
needle-plug valve
non metallic sheath
noncontiguous linkage storage
nonmagic
optimised
pannall
parbuckles
pay your dues
Pierrefeu-du-Var
plantar bromidrosis
playwhite
port mouth
pre-emptive strikes
production upset
protective earth (ground)
quality characteristics
Ras Algethi
reconceptualisations
record locking
reenforcement classes
retouching operation
riglovis
roof
shipping parcels
single sheet cutter
solder wire with rosin core
suborder maniraptoras
superheavy hydrogen
syndrome of phlegm-fire blocking orifices
thermoclines
thirty-second parts
town-planners
Triticum durum
turning by ahead and astern engine
unactuated
unpatched
vaccinial
vector series
Whitmorella
wobble seal