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
-raiser
absence-of-ground search selector
abundant resources
address direct access
advisory route
aid equipments
aileron force limiter
allocation class
altitude tetany
aneos
antiscabious
approveth
Arago's disc
Archaeoscyphia
armoured turret
aromaticks
attacca
augustino
balance transmission
balsaming
banio
be discharged
be hot on sb's trail
burgoynes
calvet
Carrowmore
caustic wash(ing)
census taker
checking brake
chemical seasoning of wood
computer memory tester
costs of production
crescentic dune
D.P.S (data processing system)
diogenes aff. nitidimanus
distortion of waveform
emulation terminal system
engineering feasibility
friction pawl
fuel pressure test
fulguration current
full-body scanner
gain an offing
Gashuun Nuur
glider
gmcs
hapludand
heldover
hole count
honesting
humeral
infortitude
jewel-tone
Last of the Summer Wine
latch block
late abortion
launching engineer
lighthouse lens
long stem cutting
magentooptic effect
manipulating crane
masako
mechanical track renewal
metrical politics
multidimensional map
naked truth
nicopolis
oliveys
ontogenist
parking ability of longitudinal slope
pertinent data
planar Hall effect
polybotryas
progib
protaspid
quilting weld
reading instruction
reincarcerating
relativistic quantization
rotating sprinkler
scandium hydroxide
scorp-
snakemouths
solar heat exchanger drive
Solubacter
spherule of Fulci
state-treason
straight laces
succor ropeway
surface-feeding
syndrome of deficiency of fluid and qi
tallyman's association
technical economical index
thickened deslimed pulp
to-find
trianguloscalpellum regium
tuberculatum
undressed weld
waste decay tank
water-Scrum-fall
whistler hydro dynamic process
white hairy tongue