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
Alassio
alkaliresistant
ampullar
armed islamic groups
bacterial endotoxin
beavens
beer-tokens, beer-vouchers
ben tree
Besut
bialkali photocathode
Bontberg
branch connector
bromelein
calculation of effective value
calloways
cape hood
Carpentier ring
Ch'angdo
circular-measure
cold-rolled carbon spring steel
combated
complete graph
continuous running signal
crankshaft piston compressor
cream colour
cryogenic coil
defects liability period
denticulate ring
drain collecting system
e sharp
environmental qualification
esrun
exterior container
finishing paint
forevermores
fuel barrier
Gentiana pudica
genus alouattas
gerlogubi (gedlegube)
gitterned
Gosse, Sir Edmund William
home schooled
Horn of Africa
inlet water
Istebné
kingsmere
knal
knock off one's feet
landscape development of highway
light duty flooring
Lublinite
mannerance
media-literacy
methylbenzylamine
micro command
Middle Border
modular N arithmetic
modularity of system packaging
multibook
myopathic spasm
near-zone sounding
necessity for life
Nehushta
Nencki reaction
Niegosławice
normal curves
out-of-power
paraxial ray tracing
partes sacralis
pittosporum sahnianum gowda
pole field
poussie
previous year
qinghua university
quantized response
quantum merit
regulare
sailboarder
sandbreak forest
Schiwanox
sectorial tides
spectral index
sperm -nucleus
starting air bottle
stored liquid plasma
subjectto immediate reply
subsolar point temperature
sup-plementing
thermodynamic branch
time attack
titty-twister
tropism
unrespectfulness
urban family
ureic
vicem
washing filtrate
waterrepellent finish
web-fed
well salt
wet cutting
youngest empty cell