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
Abies chinensis
ADCIS
ammonium sulfocyanide
Anthoceratae
asnieres-sur-seine
Atrypinella
barley koji
belt-tension
bristles at
btds
Buryat Autonomous Republic
called for
calparine
canine cusp
Churia Ra.
cities of the angels
Cittareale
combined control of heat supply
conneting rod bolt
crazes
d'orazio
deep-cuts
Deinanthe caerulea
double-deck furnace
dourados
draft mechine
ducible
ear handle
East Coast Statistical Area
electric images force
electromechanical alarm
electronic acupunctoscope
epermeniid
ethane tetracarboxylic acid
factitia urticaria
feed heater with ribbed tubes
finishing oval pass
first-aid organization
fish supper
fixed fin
flerrible canal plugger
fluid loss
frd
freeze sb out
fruit cup
furel
geriatric nursing
graphynes
GUBU
hostesse
hot-water heat-supply network
hunguana
hydrazinium chloride
left recursive rule
little toe
meares
media-rich
meeke
method of calculating depreciation
methylisothiazolones
mining room and pillar
monocrotism
nectarized
NESC
nitromuriate
non protestable bill
non-tidal river
order quantity analysis
output employment lag
oyster bed
ozey
pa chin
parlormaid
patrol missile hydrofoil (pmh)
physical extension circuit
position light dwarf
potassium cathode
pseudoamallothrix emarginata
Pānjkora R.
reduction zone
revolving pipet stand
robbery suspect
screw cone
security compliance
sharing circuit
simultaneous peripheral operations on-line
sister chromatid cohesion
slope circuit
sporadic fault
stranger than fiction
sub-plot
time-division command synchronization
tiravanija
trans-regulator
turn someones stomach
uk release
undertouristed
waist burnishing
webge adjuster
wrele
xmary