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
alaska ground cypress
anionotropy
arytenoid cartillage
atelectatic
Baptistic
Batudaka, Pulau
Berlin
beryllium borohydride
Bethell('s) process
bishop
black-crowned night-heron
buttons up
centurial
cling on to something
composite basin
conservatards
coupling capacitor
Cyclobalanopsis pseudoglauca
defence exercises
dual channel type
engirdling
ergative
Erigeron seravschanicus
erratic motion of the moving element
external rotation of upper arm
extractor ionization gauge
galleonic
gas filled photocell
generalized social phobia
geschwader
gnc
gradatae
Gull L.
heterogenous liver
HPGL
hydroelectric power generation
in bad graces
intercrater
inverse relaxation
ISO 7498-4
isoimmune haemolytic anaemia
isothermal coordinates
jizzes on
kanayama (kaneyama)
legitimate busuness
ligustron
Link state packet
load indicating bolt
lobed impeller meter
loop impedance
main gangway
man of steel
mayweeds
model-view-controllers
mole drainage
morbidity and mortality
mountain making
nanosesarma minutum
Network terminal number
neutrophilic granulocyte
nitrogen narcoses
nominal stress strain diagram
nonofficial remedy
Obil
ophiomyia phaseoli
orbital electron capture
pallet ship
plus-pressure furnace
Pogonatherum paniceum
poor shape
prairie grey soil
provincialisation
quasi elastic dipole
reproductive performance of certain birds
retentivities
run-length code
sangam
self acting ejector
self-correlation function
sliced into
solamente
Spencer B.
sphaeropsidin
spin lattice
stanyel
Suezmax
superandio frequency
superconduction cable
talk-shows
teenzine
testibiopalladite
three circuit
tube stay
Turvo
two-spindle multiple rip saw
uni-vibrator
vapor reaction
Verrazzano
wing wall
Xiroles
zero reference point
zoisite -oligoclasepegmatite