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
a-share
air cushion shock absorber
alena
aminoform
aphrophora karenkoensis
Appalachian Region
arteriovenous capillary
Ban Lao Kham
beresitization
Biomass gas
bipolar type
bladeless
brake equalizer shaft
brand products
call by
Canaanite religion
car identification panel
Chirakkal
choline gluconate
class insectas
clavulina cristata
command set
conductance and susceptance measuring bridge
constant particle size
coped
crampits
cubic centimetres per hour
despoilation
dowry
drawing limits
dust feeded back into kiln system
element antenna
environmental geochemistry
eriometer
ex-kgber
external respiration
feature program(me)
fixed electrode method
fluctuateth
for the benefit of
forest resource data base
fourth quarter
fronts for
gleade
glycocine
hand writing recognition
have no choice but
hold ... to
hydroturbine lubrication
intermediate rolling mill
Kirklinton
lauran
lead somebody on
limit of the prohibited area
lineprinters
link churn
Mashar
metatartaric
milady
Modred
multi-range infrared gas analyzer
multi-space weaving machine
nastrutium officinale
nayef
null type bridge
orthogonal quantities
oryx gazellas
parallel shock
pathological change
payment by mistake of fact
pills Boisragon
play-safe
pneupress system
prestigiousnesses
prologue level
prospicience
recartelization
rezipping
rock mass rheology
Santa Marta
SC (stop-continue register)
secretability
serial hand tap
Shoot a Cat
simple chopper blower
skin cleanser
soda barium glass
sodium water reaction
specific fuel consumptions
SPL
square planar complex
state-specified standard
time-of-flight spectrograph
tractor lift
transshipment station
turbo refrigeration machine
under-coloured
velayati
volosinov
whanaus
wild birds
yellow-dog