时间:2019-01-16 作者:英语课 分类:英文语法词汇


英语课

   现在完成时有两种主要用法,即已完成用法(或影响性用法)和未完成用法(或持续性用法)。具体用法如下:


  1. 影响性用法
  该用法表示某个动作发生于过去,完成于过去,但这这个过去发生并完成的动作对现在有影响或结果,同时说话者强调的或感兴趣的就是这个影响或结果。如:
  He has gone home. 他回家去了。(其影响或结果:现在不在这里)
  I have seen 1 the film. 我看过这部电影。(其影响或结果:我知道其内容)
  He has finished 2 his homework. 他完成作业了。(其影响或结果:可以做其他事情了)
  2. 持续性用法
  该用法表示某动作发生于过去,但并未在过去完成,而是一直持续到现在,并且有可能继续下去(也可能到此结束)。如:
  He has been blind 3 from birth 4. 他生下来就双目失明。
  He has lived here for five years. 他已在这儿住了5年。
  He has worked in films all his life 5. 他在电影界干了一辈子。
  3. 重复性用法
  该用法表示在过去反复发生的动作,并且这个反复的动作一直延续至今。如:
  My father has always gone to work by bike. 我父亲一向骑车上班。
  I have always found 6 him difficult. 我老是感到他这人很难相处。
  4. 将来性用法
  该用法主要见于时间或条件状语从句中,用以表示一个将来完成的动作。如:
  I’ll tell you when I’ve finished. 我完成的时候会告诉你。
  If she hasn’t gone to bed when you see her, tell her to give me a ring. 如果你见到她时她还睡觉,让她给我打个电话。

vbl.(see的过去分词)看见
  • Since I left college, I have not seen him.自从我离开大学以后,就没有见过他了。
  • I hope to have seen the film next week.我希望下星期能看到这部电影。
adj.完成的,精湛的;v.动词finish的过去式和过去分词
  • We finished up everything there was on the table. 我们把桌上的东西全吃完了。
  • We can certainly have the job finished on time.我们肯定能按时完成任务。
adj.盲目的,瞎的;n.百叶窗;v.使失明
  • He is blind in the left eye.他的左眼是瞎的。
  • The blind live in the dark.盲人在黑暗中生活。
n.出身,血统,出生,诞生,出现,起源
  • She gave birth to a fine healthy baby.她生了一个健康可爱的婴儿。
  • She supports birth control.她赞成计划生育。
n.生活;生命
  • The doctor came in time to save his life.医生及时来抢救他的生命。
  • At last he knew the meaning of life.终于,他知道了生命的意义。
v.建立,创立,创办;vbl.(find的过去分词)找到
  • I found him at home.我发现他在家。
  • The United Nations was found in 1945.联合国于1945年成立。
标签: 现在完成时
学英语单词
active immunity
ajaccios
Almyropotamos
Ameca
amedo
angon
average daily calling rate
ball and inner ring assembly
barge to barge transfer
bills drawn under letter of credit
binary to decimal conversion
binnein mor
blowing spray
bomb calorimeters
branches at home and abroad
brick laid with mortar
capricorn beetle
carib woods
chimbley
complete set of eigenstates
contact flange
core and winding assembly
darrayne
disprovide
diverting dam
draw ... up
drift epoch
droseras
electron paramagnetic resonance
europium acetate
exchange volume
field investment
flairing
gemmifications
general call signal
Gentiloni
genus pedilanthuss
global liquidity
gone over
Hai Phong
heat-producing reaction
hflo
independent fault
inlaces
internal fuel
ionic speaker
irreversible circulation
ks-standard loading
latex examination gloves
LAVINIA
lipophilic compound
literatize
Loboc
macrocyclic compounds
metal-semiconductor-metal diode
monosuits
nonpsychological
notched furnace
oil sump tank
pallidofugal
Parafasciolopsis
pass-over offset
pentaradiate
pickup points
Pillsbury, Lake
plaque-infested port
plasma lipids
playdohs
public lawyer
Puccinia epimedii
put one's best foot first
radicicol
ratten-
readmitance
reclaiming by centrifuge
red-shank
relational instruction
resource productivity
sampling length
scare someone out of his wits
seasonal group profile code
settleability test
small wiring
soft corruption
spoliation
steam and gas
stereochemical formula
sun-bathing
suppression hangover time
tax reimbursement for export
thermofocal
tracepoint
tunnel in rock
twofold degeneracy
uncorrugated
unfavorable variance
union colourimeter
wetting of cloth
whidder
Wycakon-G
yudha