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
'Count' Basie
anchoring effect
architectural photography
as gaudy as a peacock
batch save/restore
Bradypneic
brightness control
buckle buffers
bulbothrix goebelii
cable package
casting die
charging choke coil
chemistry of Callisto
cinemascopy
circulating anticoagulant
climaticelelment
conjugate vector spaces
cordotomy retractor
CORREIDAE
Cossuridae
creeping wood sorrel
crenellates
crossshaped
cuene
divided furnace boiler
dortoir
doubting insanity
Dukhobortsy
during the day
Eldalsosen
electro diagnosis
elfrida
elite of tea
enslaveth
entomophthora sphaerosperma fresen
erythroblastic shower
estrogenically
fiercer
flash synchronizer
frolicksomely
gastrotympanites
geisonoceratids
hatch money
Impatiens epilobioides
inflatable rubber dinghy
intermedus
Irish reef
Krzanowski
land registration office
Lituhi
lockstep
lower-performing
maltogenic
manufacturing engineering manager
matabilactone
mosecular
multirun welding
Naenarodo
neocardiamine
nonlinear circuit
nonviolent
normal envelope
Noxitiolin
nylund
p-conjugate element
parahybos simplicipes
period of half decay
piezoelectric loudspeaker
plastic fracture transition temperature
platform apron
pptn.
pseudocoloring
Puram
radiator flap handle
raise-bore machine
redundant navigation
Relaxan
retrack
Rhododendron siderophyllum
self-owned terminal
shanahans
Single European Market
single sign on
sodium ferrouspyrophosphate
spinal branches
stanley kramer
terbuthylazine
terebellum terebellum delicatum
the rocky road to
tide generating potential
tilehursts
time-payment schemes selling
tolono
tombusviruses
tooming
Twinkie defense
undeveloped estate
unilateral transfers
Usniacin
widou
yamoda
youth orchestra