时间:2019-02-07 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 find C. 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。

学英语单词
'Atāq
analysis results
antic work
aswan
audio frequency generator
banci rarratores
bee-eaters
box-shape construction
bridgeville
Buckendorf
chlorbenzene
columbium containing alloy
coming on to
common objects
counter-drug
dart a look at
decade tube
Dizzy Gillespie
driving spring
ductus dorsopancreaticus
durchkomponierts
electron-hole pair
end-to-end discharge
endcue
entry point of bootstrap read routine
ephedrines
epiglotidean gland
ethanamide
evolutionary programming
excessive mixing
extrapleural pneumothorax
factorial lumber
feed divider
Fimbristylis squarrosa
fixed-displacement pump
flange tee
freezing point lowering
fuchsite
GOX,gox
grams per square meter
Grenacher's stain
ground-crew
handcraftmanships
helicab
Herrenvolk
hobit
ice massage
incompatible method
increment motion
International Fisheries Convention
inverse function generator
ivoriness
laidromycin
lens strength
Leptohymenium
lesbianises
leylandiis
longfin mako
Lonmiel
manpower drain
matricentric
minute-guns
neo-ricardian models
nervi cutancus surae lateralis
Nodi lymphatici aortici laterales
non-drip
non-focusing
oceanus procellarum basalt
office expense
outlet flue
ovarian malignant mole
oxidram
paired river terrace
peaseweep
polychlorinated naphthalene
punctualists
reversed line printing
rylander
sapiently
Secretary of Interior
self-propelled chassis
sellwoods
Shingle style
shop-lifter
Sideraphite
snap decision
solid state phase transition
statistical test sample
stits
strategies
subfamily Merginae
swarfs
sycites
teaing
telbivudine
The Bubble Act
thyrator
tussah silk tops
tyrocidins
ultrasonic endoscope
wash-way
zeliff