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
a still sow
abate a price
alpha-crystal
altitude observed
aqua-
barebacking
basal cell
bass-reflex cabinet
Batovce
best quadratic unbiased estimator
biophysiograph
bolenol
boxty bread
broadseam
cap-case
cartage note
cascade window
central partition plate
centum clause
cesium cell
commercial management modernization
company number
control organ
costectome
cybergenic
cycled recondition
disk-type pinion cutter
drift current density
Dukān L.
engine monitoring system
enysite
Eurysolen
experiment with skips in the row
fatuma
fixed eluant
gatekeeper gene
gendry
general assembler
habitat-based
hackhead
halp
head shops
heliast
help cell
high stick
higueron
hurl to the winds
Ijill
integral bit
intestinal crisis
inversion of relief
invisibles(gold-schmidt 1938)
kako-
klamp
kylle
label procedure
land combat support system
leag
leonurus (motherwort) paste
little brother
Lockwood's ligaments
loop compilation
maculata
Mendelssohn Inlet
messet
miethe
molecular sieve dehydrator
motor transmission shaft
no-holds-barreds
oil supply unit
Perigee.
petroleum dermatitis
pleurosigma strigosum
pneumonephrosis
post-disseisin
presbyterium
private healthcare
purinemia
Rassypnaya
reef platform karst
reflectographic
relatively vector lattice
removing slag
rotary erase current
Saxifraga nigroglandulosa
sayin'
scanning sims microscope
scortator
scout plane
single-point thread tool
sump drain
surgical anesthesia
survival statutes
Sweet Grass County
switchgear station
thermal fuse
Tsonevo
usnea
vitrified clay pipe
watermark disease
what's the time
wrathfuls