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
.sit
abdominovaginal hysterectomy
acarodomatia
acid-fast bacteria staining
air-setting
algorithm classification
antepost
antignostic
appropriated retained earningss
artificial beach
bolace
brivetted
Calcofluor
call-slips
cascaded windows
cerebrospinal fluid-contacting neuron
chillbillies
Chlamydozoa trachomatis
cholenes
clear launch
cochlear duct
computer-company
corpus pedunculatum
crataegus laevigatas
culture medium
Daeum Svay
decanoate
deconversion
Dichlorodiphenyl-trichlorethane
documentarist
EDISAN
elan
electric drill
electrophotographyic paper
elements of computer system
employment of fund
Everett, Edward
faulted deposited layer model
file file analysis
fire someone
floating point routine
forget to do
frayed setae
free alongside vessel
Gacko
gauged brick
general-support artillery
half-byte
hand power
hemadsorption
hisis
horizontal water-tube cooler
hydrocalcites
image parameter
in the fields
intends
jacket water pump
krymo-
Kulagino
kusnet
lattice element
leading zero's
mocktail
modular microcomputer component
money clips
mud delivery line manifold
nanograys
night landing
non stationary
o-chlorophenyldiazothiourea
oletimol
opisthotonos
palaeosedimentology
permanent link
polystachya
postgrad
predeposited
press fabrics
Puccinia dioscoreae
re-rejoinder
reabsorptive
record of investigation
regular marriage
relief effort
retainer neutral polarized relay
risoerite
sarkinite
sarracenorum
sca fell
sexual abstentions
shake somebody up
sierra leone (w. africa)
spiral milling
stuck farm
systema vasorum
the form of the foetus
toothed scraper
toroidal pinch device
valley bottom circulation zone
Veitch chart
volage
waste-filled valley