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
after school education
amount withheld
Anema
animal feet
atlaritoaxial
basis invariant
Broke The Buck
calyptothecium urvilleanum
camphoceenic acid
capacity regulation of road drainage
card radio
cargo unprepared
Chlorodifluoropropane
clausing
cogitoergosum
common cardinal veins
constant cell
control lead
cop out
copper(ii) formate
courtesy flushing
disintoxicattion
dynamic support
electro-optically tuned laser
electro-thermosensitive recording paper
elektro-baglamas
embrittlement
enveloping curvature
extension advice
extortioners
failure to the safe side
flexural stability
foot nape posture
four-track tape
free skin flap in series
gas heating system
generating mechanism
glaze for electric porcelain
graft irradiation
hardware reresentation hardware store
have a stab at sth
hemigalus hardwickiis
hex-radiate
hexesterole
Huimilpan, R.
increasing speed rolling
induced transition
inhibiting substance
integral square error
Iris tectorum Maxim.
isoxazolines
kandak
know one's way about
La Cuba
law of unintended consequences
longcuts
Mathieu, I.
Melbournite
mental exhaustion
Methanospirillaceae
Moore, George Edward
multiple throats
negligee
nonmoving water
nozzle configuration
ostriches
peykar
phlegmatic
phosphorylation constant
picomole
pigeon hawks
planoconic
pneumatic transfer tube
poposaurids
Portland Place
portolans
propagate
quality coefficient
quelbe
rauniticine
Real exchange rates
regional climatology
repair shed
right linked pointer
semi-globe
sequence of distinct points
sight glass for vacuum equipment
single ballot
static magnetization curve
sulfoprostone
tabulator machinism
toluidinesulfonic acid
transcalcaneal traction
tread the board
turn-off arm
ultra-high-altitude photograph
unfranked
Unterwaltersdorf
urgent call
wax residuum
wicked deeds
winterbottom