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
adapter coupling
alveolectomy
antarcticoside
apathists
arc doubleau
as ugly as a mud fence
atomic beam frequency standard
Bayles
BD-tree
bone earth
boron deposit
botanising
brofists
bromoform
burrie
C(A-VDO2)
cable-layer
cathindine
cavitation allowance
chain stripper
child-friendly
claystones
coiled waveguide
concuby
cratonic embayment
cursor line
dancefest
delay table
departments of state
derbur
diaphragm pressure
disci
discomfitingly
disk grinder
drawing room model
Eglin steel
ephemeropteras
fan-type
friable dolomite
Gredstedbro
horizontal core shooter
hydrangea scandens maxim.
hyper market
hyperdynamics
International Cardiology Foundation
juncus articulatuss
Kampalap
karori
Kunzulu
Kāmalanka
lessness
lipopeptides
longitudinal grinding
low voltage fuse element
maneuvering potential
marriage and family relation
midamaline
millisomole
multitowered
nerdwear
nomvetes
onera
order of committal
orlan
osteodystrophia fibrosa unilateralis
parameter value in a macro
pars phrenicogastrica (mesogastrii dorsi.)
profile fibre
profit and loss on consignment account
quercus garryanas
radiation-dosage
resounds
risocaine
robens
route initiation circuit
row-by-row system
sadaam
saturated magnetic induction density
schizomycetess
securities holder
seed-tree method
share ledger
Southernfried
spinning riveter
Sulformethoxine
swallow worts
TAB position
tassaert
telophase of cell division
That's the ticket!
thatcham
Tibetan literature
to bat around
transuranium isotope
TRW Inc.
unformed dry cell
vegetative dunes
visible mark
Wahhabi, Wahabi
whirled around
wholesale trade statistics
zinner