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
adopts
air and water controller
alwa
anti-bias
appui
Army High Performance Computing Research Center
balonium
be sour on
Bel Air
blue flsh oil
boorman
Bromus pectinatus
budding potential
bullous ichthyosiform hyperkeratosis
carboxyhaemoglobin
catlap
cofad (computerized facilities design)
come under the yoke
composite equation
connected state
Connector.
Corpus tibiae
daltonia angustifolia gemmiphylla
deficiency-heat
diacetyl acetic ester
discount preference ratio
domestic hot-water
Dorito syndrome
dote on sb
drive the nail
dromaeognathus
energy resolving rate of detector
epitaxial diode
fatigue theory
fearsomer
ferripyrophyllite
foche
focusing block
forestiera neomexicanas
galvanized angle iron
Glory of Russia, Cape
goedkenite
greenbelts
hashmark
Hondurean
hybrid magnet
jerryd
jump address register
leucodon sinensis
link diagram
Many a little makes a mickle.
marketing for libraries
mayalls
mechanical radiator
metallic manometer
metallic paints
neutron activation method
non specific
non-uniform rational B-spline
nonpatentable
O-Bon
outsize
Pariahdom
party-poppers
passed around
permissible loss
pie carts
piki
prater
Radlett
rami volaris profundus
raspberry juice
receptacle trough
reinforced stulls
retrace driven deflection circuit
rough-housed
row crop shield
saw tooth antenna
self-depreciatory
set of passes
signed binary
simple flower
sisko
strepens
structural assembly
supersonictweeter
sysgenia
telegraph lever
tensile
thermal spectrum calculation
touch her
tuned-anode tuned-grid oscillator
type of variable
UKNDL (United Kingdom Nuclear Data Library)
undercover
unhip
unsorted egg
upspearing
using frequency
vivacest
war grave
well-abused