时间:2019-02-03 作者:英语课 分类:英文语法词汇


英语课

   现在进行时的基本用法:


  a. 表示现在( 指说话人说话时) 正在发生的事情。
  We are waiting for you.
  b. 习惯进行:表示长期的或重复性的动作,说话时动作未必正在进行。
  Mr. Green is writing another novel.
  (说话时并未在写,只处于写作的状态。)
  She is learning piano under Mr. Smith.
  c. 表示渐变的动词有:get, grow, become, turn, run, go, begin等。
  The leaves are turning red.
  It's getting warmer and warmer.
  d. 与always, constantly, forever 等词连用,表示反复发生的动作或持续存在的状态,往往带有说话人的主观色彩。
  You are always changing your mind.
  典型例题
  My dictionary ___, I have looked for it everywhere but still___ it.
  A. has lost, don't find B. is missing, don't findC. has lost, haven't found D. is missing, haven't found.
  答案D. 前句是一个仍在持续的状态,应用进行时,由于没有找到,其影响仍然存在,应用完成时,瞬间动词用于否定式时可用于完成时。

标签: 现在进行时
学英语单词
17-hydroxyprogesterone caproate
abadias
accelerator transmutation of waste
AgendaTitle
analytic learning
antimeters
apparent rotation
artificial fertilized pearl
B-magnitude
bani tukhman rocks
benty
boron fluoride
bounce dive
boundary estimation
brick neck
Brownings
burmese-yis
cable box splice
canciamilla
complete ripeness
coproliths
Council for Economic Mutual Assistance
current quotation
Defense Advanced Research Project Agency
deficiencies
design basis event
digit malformation
drifter bar
early blooming
electrically heated distilling apparatus
elicitin
end group analysis
epsom saltss
feed-screw
flux feeder
fraternized
freeze coagulation
freke
front draft stop
genus Boletus
genus penicilliums
Haminoae
hard film rust preventives
heathens
hemolytic reaction
in record numbers
interactive network
krinkle
lace leather
loading computer
low tension voltage
methylcoumarone
molecular fluorescence and phosphorescence spectra
monovalnet
murphys
nap or nothing
non-genetic gene
o-(p-anisoyl) benzoic acid
Oksafenamide
outside bonds
palaeodietary
panallotriomorphic texture
paradoxology
parameter of engine cycle
pecilokont
phosphorimaging
plane contact lay wire rope
political-risk assessment
polylayer forest
pore ice
pyridium
quartz wavemeter
repeat integral
Replay Introduction
retender
right to hold public office
rope turn
Sasamungga
sea silk
self-propelled crane
sense of social responsibility
simple hyperopic astigmatism
snow fume
sterile cytoplasm
sync channel
Süüji Hiid
take out of
tallied
Thladiantha
thread cutting torque
Tritheon
turn to crime
undesirable radiation
unload time
Urosulphanum
v-day
vanthoffite
vautour
Veratrum nigrum
vinous liquor
waltraud
widda