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 Hen
abomined
absolutely fabulous
Adonara, Pulau
Andrianovka
arecoline
atmospheric sounding and observing
back-drops
bazz
be in many minds
bear down on
bhd
binder roll
bubble memory module
CAMAEINIDAE
canary creeper
Carlemannia tetragona
caustical
Cebidichthys
cecidien
chillador
chilled-roll
chlorinised
civicmindedness
colour genlock
complete transposition of great blood vessels
coupling with non metallic elastic element
creosotal
damping collar
digitary
dimethyl-adipimidate
dolvin
Eccrinaceae
Eddystone Rocks
endothecal
Europe Remote Sensing Satellite
extend trade and commerce
external skeleton (or exoskeleton)
fiorinal
flexura lienalis
forced draft burner
forward difference operator
free axis
from the cradle to the grave
gear driven fixed mount
Goodyera yunnanensis
halogen acyl chloride
heart muscle fibers
heat transference
helminthosporoid
horizontal insertion of needle
Impatiens blepharosepala
inside bank slope
interior transportation design
interocitor
jar with
labbadia
macro pseudo instruction
make things worse
mean down time (mdt)
medial gastrocnemius muscle
mesoperidium
midwood
momentum wheel
moshavs
Narodnaya Volya
parallel data
pendy
piss off
plagianthus betulinuss
planetary electron
President Cleveland
production planning
purchase records
racin
Ranunculus ternatus thunb
Republic of Croatia
scn
sky island
soft-fired ware
sory
soulsearching
sparaxis tricolors
sponge test
star-disc harrow
storage output
storm-wind
stripping cross-section
super-stadium
sympodium
the former
there is no mistaking
thiophosphoryl triamide
timing accuracy
tracheophytes
trengganus
trichaster palmiferua
under the banner of
uswards
valence orbitals
vanhook
volkstaats