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
alumina silica ratio
ammirati
andria
argon tungsten-arc welding
assembly language input
astorres
autoselects
Baranof Island
barriers
be suitable for
Berry Ratio
binghamtons
bridey
caproic amide
carbon internals
charge carriers
chorherr
closing deal
creosote phosphate
cumacea
cunettes
defense psychoneurosis
disbursement of foreign capital
disiloxanoxy
enamel crgan
end of procedure division
epicormically
ethylins
exception response
exhaust rocker
expansion loss
exploratrion
faund
ficino
fire insurance policy
fully-fashioned knitwear
goes against
hackneying
hammerlock moor
hierarchic mutually synchronization
highly cracked gasoline
histogram sort
household deities
hysteresis loop method
impulse regulator
integrated test requirement outline
jalouses
job enlargement
jurkowitz
khoums
Komatsuzaki
Kubukhay
lactopontin
lamento (europe)
Lanty
Lao Tzu
longitudinal-oscillation
luminescent fibre
magnetic energy density
metropolitan government
minicomputer control
mixed assemblage
montmirail
Mācherla
narrative economy
no room between lines
nonoccupier
nothoserphus mirabilis
occupant
operation manual
orthomagmatic residual liquid
outfitting quay
piece of writing
prospect deck
radiation hepatitis
radioisotope production
reciprocal apportionment
recognized
register, descriptor
resonant-mode analysis
restness
ringing off
risk-spreadings
rock shell
SAP ERP
single-crystals
space tons
space-craft
syllable-initials
tariff-walled
teeg
telemetry schedule
thermometer probe
third internationa
tractor-mounted
transverse myelitis
tridactylous foot
truck structure
underdeveloped socialism
yakurr
Yoshisuke
zographer