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
afferent arteriole
air landed
alveolodental
anode circuit breaker
Artarau
atmospheric exhaust
attakatha (india)
automatic tractor
beddingtons
benzopurpurine
BPHE
bum around
carnivorus plant
chamb (kouba)
constraint nonholonomic
correctings
crop needs
dagget
dielectrictarget
direction theodolite
distinguished by
dydoe
dynamic temperature difference
easy-handling
effective center
fibrewood
fischer strain
forage crimper
full-clad
generalized lock resolution
glibertarians
graphite pebble
habez
HAGD
halfdan
heat deviation
heraldic bearing
hoisting overwinder
Holy Scripture
Home Plug
in seven-league d boots
inflector plate
injurious falsehood
ketoaldose
liberation degree
limited competition
linear phase comparator
logic chopper
m-phthalic acid
Mala Divytsya
mercerized yarn
minimum ambient temperature
mistext
monadoxanthin
narrative-based
Newtown St Boswells
nitrogenizes
nodular goiter
noise inside automobile
outholes
over-crease
Owsley County
part-to-whole
peace movements
pentops
photismus
polysulfide polymer
powell cr.
power functions
programmer-named
progressive combustion
psychophily
Pueraria thunbergiana auct. non Benth.
q feel
re-alignment
retainers
robot for test and inspection
s.r.o
senat
Ship Classification Characters
shunt ringer
skeleton core box
soft iron oscillograph
spin spin
spitting out
standard circuit
Stonersville
striae medullaris thalami
sublette
symbolic integration
system, data acquisition
the equal pay act
the sound of one's own voice
UFC
unbounded movement
victualled
vulsella
water-like
westour
work station utility
zeptomole