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
achievance
all metal
allosteric protein
amblysiphonella
antifederalism
antimony(v) chloride
aoi matsuri (japan)
Araucaria cunninghamii
baby maker
biaorite
blastodermic vessicle
bluegrass states
boron carbide ceramic
Caldron.
camp counselor
cavovalgus
commodore
complete system of eigenfunction
conducent
conductance
controlling depth
Cooper's irritable testicle
cortical sinuses
crt(cathode ray tube)
Dabur
Damian
Dobie's globule
earth inductor (compass)
editing rule
epiparietal
ferae bestiae
fineless
finger pin
forced-landing
foresyllables
fourth to five suspension
germicides
heat recollection
heathrow
highjacking
hit songs
horizontal earthquake load
HSPG
hydrodynamic time scale
initial program budget proposal
integer value
keyway tool
lisping
llanero
longiradiate cells
made-in
mallococcus
Menard Fracture Zone
micrometer control
multi address instruction code
nitrate acid
non-conducting hearth furnace
North Koreans
offsets
overthorter
palm-greasing
pill
pneumatic sausage stuffer
polar indication
portability of program
potential reaction
potteens
product differentiation
radial solid mixing
recapitulation
red-fin disease
regional supercycle
reish
relative insufficiency
rush mat
scratting
sectional side elevation
seek error
semitortured
shell-toe
single up
software publisher
splendidious
spring time
staff expenses
sugarings
sulfuryl amide
sundew family
T. E. Lawrence
takings into custody
television broadcast band
tetramethyl-urea
Trancoso
tread-down
tropical fish
troughed belt conveyer
Urodela
Vanleer
voice box
warp clay
weights and measures
working-fluid