时间:2019-02-07 作者:英语课 分类:英文语法词汇


英语课

   现在进行时的结构:现在进行时由“am / is / are + 现在分词”构成。如:


  I'm studying at Yu Cai Senior Middle school. 我在育才中学读书。
  He is writing on the desk. 他再课桌上写字。
  They are talking about their visiting the Great Wall. 他们在谈论游长城的事情。
  动词现在分词的构成方法:
  (1) 一般在动词后加-ing。如:say—saying, play—playing, think—thinking, study—studying, teach —teaching, blow—blowing, build—building.
  (2) 动词若以-e结尾, 则去e再加-ing。如:love—loving, make—making, guide—guiding, date—dating.
  (3) 在以单短元音的重读闭音节结尾,且末尾只有一个辅音字母的动词后,双写最后一个辅音字母,再加-ing。如:begin—beginning, regret—regretting, plan—planning, ban — banning.
  (4) 在以ie结尾的动词后,改ie为y,再加-ing。如:lie—lying, die—dying, tie—tying.
  (5) 在以-c[k] 结尾的动词后加-king。如:picnic—picnicking, panic—panicking.

标签: 现在进行时
学英语单词
A-position
aerophose
air tank
aldose degradation
American Arbitration of Association
anti-blooming
asarnow
atmospheric shimmer
atomies
between the hammer and the anvil
bile alcohol
cheilanthes farinosa kaulf.
clearance of lymph nodes
clearing-up
climacteric depression
come out of your shell
compact voice communication
company president
complete rest
conflictualist
continuous mixer
countermagical
demand planning
do ... duty
dross band
ectopion
excess retention tax
Feb. dur.
fixed displacement oil motor
freeboard depth
fuel filling sieve
galvanotonic
gangolli
gidea
global system for mobile
historical-cost accounting
hollow chisel mortiser
horn - rimmed glasses
hybrid mesons
IED
inte
intercarrier sound rejector
Jalīlābād
Jumeau
keel batten
level of supervision
limonia (dicranomyia) tenuicula
limotherapy
liszts
losing my edge
M-NP
MMAMT
negotiated
non-residents
oligochaeta
ornamental insect
Orpha
P-ZA
Pachometer iron
packing driver
passive glacier
pewter
Phlomis likiangensis
piss-pots
plane cross-section assumption
pocillator
precision backlash measurement
preponderances
pretenses
processing of earth-rock material
pseudoisochromosome
puccinia flavipes
quick report of goods traffic accident
rate of sedimentation
Reomol
reproducers
resistance switch
rouge flambe
Rozoga
Santa Maria da Boa Vista
sawdust
septum valve
simple strain
siphonoma
so-na
spin variable
stabilizing bid
static function hazard
steel tube piping
Strathleven
sweet elder
switch in
sword-and-sorcery
synchronous exciter
tabuaeran
unevenness of illumination
vacations
veronas
Web self-service
Whidbey I.
white collar crime
Windows tablet