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
abouchement
Abraaj
al hamrat (el hamrat)
Alpinopolis
Associate Member of the Institute of Marine Engineers
auto shows
awadcharidine
bacterioplankton
bagmaker
bar lake
barristering
basic logic
battery filler
batting orders
Benocten
Birdha
busy book
busy doing something
canarybird vines
charged to
chemistryanalyse
chest cold
chromoptometry
combined mean
cursor arrows
Cyrtanthera
deep-recessed part
degressive taxes
dike-dam
discard solution
disisolation
Dolla
dr-shift
ecological gradient
electronigraph
ellville
emergency stop handle
employee turnovers
ERNV
field sequential image
flase floor
form factor of the weld
frequency of freight
general meetings of the staff and workers
grain maturity
grettir
head-free casting
height of a person
heta-starch
high-tech industries
hydraulic equivalence
ibero-mesorniss
imparadised
information repository
kappas
Keller, Helen
knocked off
leaching field
light-up plug
linalyl isobutyrate
Linea parasternalis
liquid friction
liquid-fuelled ramjet (lfrj)
logistic support group
lose one's shirt
Mollapārā
Munronia simplicifolia
national well-being
Neo-Mercazole
no spring chicken
non-adiabatic reactor
nonmigrating
norwick
oldwomanish
outside the beltway
parallelogrammic
phosphatised
plane wave Born approximation
pointgroup
price gouger
project for the advancement of coding technique (pact)
re-engaging
rent-sharing system
ruffet
saito
save power
scheelitine (stolzite)
Schopper hardness
Scutellaria taiwanensis
shoote
Siegle's otoscope
splatterday
stand on tiptoe
stem-cell leukemia
three-quarter bathroom
traumastheina
Velox boiler
vibrospade
W-ring
wechselburg
with the hope of
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