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
adande
Antakya
back to sail
betacyanins
Binguéré
bituminous primer
botkins
cambric
centrifugal storage pump
chloroguanide hydrochloride
ciliary body
civision
Codonopsis clematidea
collapse of the Soviet Union
cytherelloidea sulcata
damianos
Di-len
Dictyocaryum
differential input overload recovery time
dihydroxylated acid
disability certificate
discount granted
discussives
disulfo-benzoic acid
dough box
entertainers
Erlauf
eupelmids
expansion pressure device
extension of a Lie algebra
external trigger pulse
external wall of cochlear duct
family Dicksoniaceae
fantigues
first firing
full enclosed motor
full size copying work
gemstar-tv
general apportionment
general unemployment
genus Sticherus
go for a stroll
grounded transmitting wire
haskells
hydraulic distribution manifold
hyperplasmic obesity
i-war
immunologic(al)
input orientation
interference field strength measuring instrument
iris spatula
ladle car
lofa
long-distance bombing aircraft
low noise antenna
low-voltage line
main diagonals
Malaya disease
mulitple ignition
multigenetic
multilayer bearing bush
Muntingia calabura
neuraminic
non mutable
non-hydraulic
octamer
operation of work standard
Penthamil
pilot operated directional control valve (pneumatic)
pleuroploca trapezium paeteli
porcelain-enameled steel panel
Portrait of the Artist as a Young Man
reactivation potential
regional banks
relative speed drop
run-and-hit
S.S.B.
salita
screening analysis
sheet wheel
shipping parcel receipt
single mode algaas injection laser
single-peakedness
Smith fermentation tube
stability of solution
stone-tileds
syrem
tailless airplane
task graph
temperature combustion
tied the knot
training of qi
tree-like drainage
trial case
tunnel armature
uk local government
uk writer
universal digital computer
unresenting
unringed
vagabundus
westropp