时间:2018-12-18 作者:英语课 分类:英文语法词汇


英语课

   1 现在完成时由“have(has)+过去分词”构成,第三人称单数用has,其他情况下都用have:


  He(She,The boy)has gone home
  他(她,那男孩)回家了。
  I(You,We,They)have made 1 a mistake 2
  我(你,我们,他们)犯了一个错误。
  2 和过去式一样,过去分词也有两类,规则动词)加-ed构成,不规则动词有各自不同的形式,如do一done,find—found,see—seen,hear—heard。
  3 现在完成时主要表示:
  1)业已发生且对现在有影响的动作:
  Who has broken 3 the glass?
  谁把玻璃杯打破了?(杯子破了)
  I haven’t had 4 my breakfast yet 5
  我还没吃早饭。(有些饿)
  He’s already 6 left for the airport.
  他已动身去机场。(不在家)
  2)现在以前这段时间发生的情况:
  She’s just phoned.
  她刚打电话来。
  There has been an accident 7
  出了车祸了。
  They have put up hundreds of tall buildings.
  他们盖了数以百计的高楼。
  3)持续到现在的状态:
  She has been here for two years.
  她在这里已经有两年了。
  The meeting 8 has already lasted for 3 hours.
  会已经开了三个小时了。
  We have lived here for over ten years.
  我们在这里住了十多年了。
  若有表示过去时间的状语则不能使用这个时态。另外have (has)got 9+有特殊意义,表示“有”:
  How many brothers have you got?
  你有多少兄弟?
  He hasn’t got a car.
  他没有汽车。
  现在完成时的肯定、否定、疑问及简易回答形式可表示如下:
  肯定句I(We,You,They)have done it 否定句I(We,You,They)haven’t done it .
  He(She) has left. He(She) hasn’t left.
  I(We,You,They)have
  疑问句Have I(We,You,They)have done it? 简短回答 Yes,He(She) has
  Has he(she) left? No, I(We,You,They)haven’t.
  he (she) hasn’t.

1 made
v.make的过去式和过去分词
  • They were not made in china.它们不是中国制造的。
  • The monkey made a long arm for the peach.猴子伸臂去摘桃子。
2 mistake
n.错误,误会;v.犯错,误认
  • Don't make the same mistake again.不要再犯同样的错。
  • I made a mistake but you should give me a chance.我犯了一次错误,但你应该给我一次机会。
3 broken
adj.坏掉的,患病的,被制服的,断掉的;vbl.break的过去分词
  • He is mending a broken cup.他在修补破杯子。
  • Something was broken in my engine.我的发动机里有个东西损坏了。
4 had
vbl.have的过去式和过去分词;conj.有
  • I just had a good idea!我有个好主意!
  • The boy had a small branch of a tree in his hand.这个男孩手上拿一条小树枝。
5 yet
adv.还,仍然,即刻;conj.尽管,然而
  • I am not ready yet.我还没有准备好。
  • Beautiful as she is,she didn't find a boyfriend yet.尽管她很漂亮,但还没找到男朋友呢。
6 already
adv.已经
  • We have eaten already.我们已经吃过了。
  • I've been there already,so I don't want to go again.我早已去过那里了,所以我不想再去了。
7 accident
n.事故,意外的事
  • He had a traffic accident.他出了交通事故。
  • An accident was happened yesterday.昨天发生了一起事故。
8 meeting
n.会议;集会
  • Will you be at the meeting?你会来开会吗?
  • We would like to hold the meeting at an early date.我们希望早日举行这次会议。
9 got
v.(get的过去式)得到,猜到,明白
  • I just got some bad news.我刚得到一些坏消息。
  • I have got far too much work to do.我要做的事太多了。
标签: 英语语法
学英语单词
Agorophobia
alligation
Amīr Kabīr, Sadd-e
AOB
arachnerd
be in for sth
Beaufort Bank
black vultures
burnt shale
carpogonial branch
cascade mechanism
Chinese Crested Dog
cold mixed grease
cold sensation of the genitalia
consumer life cycle
crest discharge
crystal pearl
current screen
dust containing capacity
emberiza schoeniclus pallidior
epigastric coelom
equivalence question
esophagofundostomy
exchange of complete units
flat jet
fluid infiltration
gemmatus
gill-flirt
give it to you
halver
hauchecornite
hemicardia sinistra
high pressure control
hyphodontia fimbriata
idiopathic infertility
image motion
in brine
infective hypertrophy of tonsil
knock on wood.
language units
last gasps
Lee,Ann
Lifi Mahuida
lose our head
lower bearing shell
Lubilash
Luigi Cherubini
medicine bow pk.
methacrylate polymer
mineral dressing flow
multiple trip echo
musical performances
North-East Atlantic Fisheries Commission
nuclear chemical engineering
orengo
organ failure
over-eagernesses
overwrapping
paternal reproduction rate
perceptual effect
pole instrument
polliwogs
Ponzi financing
powder-head
progesterone unit
quietation
rajiformess
reimprinted
reviewings
saimirine
sarcosin
sealing steam
segmented electrode
sequence controlled mechanization
sheet corner value
skin rash
soak into soil
special paper
speed-limits
spherical iron particle
spindle and epithelioid cell nevus (spitz nevus)
spring accelerated
spritesheet
standard-gage railway
steady-state cosmology
stickhandle
stream interface device driver
subrostral cartilage
supervisor processor
surfacegauge
telegraph conversation
throttene
triaxal
typical component
untrothful
upv
vibratory freqency
well-calculated
wormly
x ray spectroscopy
xboxes
yard -craft