时间:2018-12-02 作者:英语课 分类:英文语法词汇


英语课

   1、一般现在时的功能


  (1)表示事物或人物的特征、状态。如:The sky is blue.天空是蓝色的。
  (2)表示经常性或习惯性的动作。如:I get up at six every day.我每天六点起床。
  (3)表示客观现实。如:The earth 2 goes around the sun.地球绕着太阳转。
  2、一般现在时的构成
  (1) be动词:主语+be(am,is,are)+其它。如:
  I am a boy.我是一个男孩。
  (2)行为动词:主语+行为动词(+其它)。如:
  We study English.我们学习英语。
  当主语为第三人称单数(he, she,it)时,要在动词后加"-s"或"-es"。如:Mary likes Chinese.玛丽喜欢汉语。
  3、一般现在时的变化
  (1) be动词的变化。
  否定句:主语+ be + not +其它。
  如:He is not a worker.他不是工人。
  一般疑问句:Be +主语+其它。
  如:-Are you a student?
  -Yes. I am. / No, I'm not.
  特殊疑问句:疑问词+一般疑问句。如:Where is my bike?
  (2)行为动词的变化。
  否定句:主语+ don't( doesn't ) +动词原形(+其它)。如:
  I don't like bread.
  当主语为第三人称单数时,要用doesn't构成否定句。如:
  He doesn't often play.
  一般疑问句:Do( Does ) +主语+动词原形+其它。如:
  - Do you often play football?
  - Yes, I do. / No, I don't.
  当主语为第三人称单数时,要用does构成一般疑问句。如:
  - Does she go to work by bike?
  - Yes, she does. / No, she doesn't.
  特殊疑问句:疑问词+一般疑问句。如:How does your father go to work?
  4、动词+s的变化规则
  (1)一般情况下,直接加-s,如:cook-cooks, milk-milks
  (2)以s. x 1. sh. ch. o结尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes
  (3)以"辅音字母+y"结尾,变y为i, 再加-es,如:study-studies

1 x
n.字母x,罗马数字10adj.X形的,X级的(电影等),第二十四的
  • The possible permutations of x, y and z are xyz, xzy, yxz, yzx, zxy and zyx. x、y和z的可能的组合方式为xyz、xzy、yxz、yzx、zxy和zyx。
  • The chest X-rays showed moderate enlargement of the heart. 胸部X光片显示出心脏稍有扩大。 来自《简明英汉词典》
2 earth
n.陆地;大地;地球
  • The earth moves round the sun.地球绕着太阳转。
  • Spring returns to the earth.大地回春。
标签: 英语语法
学英语单词
aerosynusia
affo
algarovilla
alytess
amnesics and recall
amorphous substances
angiomonospermous
Ankazoabo
antimatter rocket
antimicrobial finishing
armonks
auxiliary activities
bactrocera (bactrocera) paratappana
basetime
bilayered
bio-electrical
business receipts tax
Camellia chungkingensis
cell mounting
cerebrospinal membrane
cloth-filled material
code message
comfort stretch
coordinate system of the pole
crash-ahead maneuver
cyprinid fish
data sensitivity
de-ionized
directeur
dropped channel
english-teaching
experimentee
extensions and footings
eye-beamings
F. T. B.
fancy-bred
feed stock selection
frostless season
fusion-free fiber
gablelike
gluttinous
government incomes
Gris-Nez, C.
hippos
improper prior distribution
integration of sea and land transport
inventory records
iron and iron carbide alloy
irradical
Izver'
kahana
kentes
lanti
leuocytaxis
liftout crucible type furnace
loose goods
lord haw - haw
macrocypris decora
maribavir
Mmamabula
multiple datum
n-person constant sum game
nhl
nonselfs
osteitis condensans ilii
ototoxin
packing of sleeper
perboric acid
Pintasan
PIRT
posterior discission
posterior sternoclavicular ligament
practice question
quartic element
read modify write
recall signal
refusewagon
rollators
roseately
roteln
santers
Saussurea porphyroleuca
show houses
spray-nozzle burner
styrax suberifolius hook. et arn.
swarmspores
Thea sinensis
thyrotoxic encephalopathia
unconfidently
uncontrolled fashion
undertooled
unnecessaries
unsteady state operation
vanillyl methyl ketone
vertical drying machine
vestigial sideband transmission
wheat flour
Wilzbach labeling
wolf eel
zhaan
zymotic efficiency of soil