时间:2019-02-18 作者:英语课 分类:英文语法词汇


英语课
1) be +现在分词,构成进行时态,例如:
They are having a meeting. 他们正在开会。
English is becoming more and more important. 英语现在越来越重要。

2) be + 过去分词,构成被动语态,例如:
The window was broken 1 by Tom.. 窗户是汤姆打碎的。
English is taught throughout 2 the world. 世界各地都教英语。

3) be + 动词不定式,可表示下列内容:
 a. 表示最近、未来的计划或安排,例如:
   He is to go to New York next week.. 他下周要去纽约。
   We are to teach the freshpersons. 我们要教新生。
  说明: 这种用法也可以说成是一种将来时态表达法。
 b. 表示命令,例如:
  You are to explain this. 对此你要做出解释。
  He is to come to the office this afternoon. 要他今天下午来办公室。
 c. 征求意见,例如:
  How am I to answer him? 我该怎样答复他?
  Who is to go there? 谁该去那儿呢?
 d. 表示相约、商定,例如:
  We are to meet at the school gate at seven tomorrow morning. 我们明天早晨7点在校门口集合。

adj.坏掉的,患病的,被制服的,断掉的;vbl.break的过去分词
  • He is mending a broken cup.他在修补破杯子。
  • Something was broken in my engine.我的发动机里有个东西损坏了。
adv.到处,自始至终;prep.遍及,贯穿
  • These magazines are sold at bookstores throughout the country.这些杂志在全国各地书店均有发售。
  • Guilin is known throughout the world for its scenery.桂林以山水著称于世。
学英语单词
access method for indexed data
actic association
actual elements
adhesive sealing machine
adjustment securities
alden
aluminium brittleness
angle spread
ball ponds
baukunsts
baycedar
blacklistable
blue-coated
capacity net output
capless
caractacuss
character i/o
Chen Ziming
clay pot
Coeloxylosteum
competing demands
cored bar
crinivirus
cryphaea obovatocarpa
detonators
diagnostic kit
direct singularity
dryomyza formosa
earth indicator
electric dehydrator
epinephrine tests
feeding distance
field crowding
flooding area
fog whistle
forfait-ing
freshwater fish culture farming
fubby
germ-plasm
glottallings
griffo
hybrid sleep
hydrangea asperia d.don
infriar
intergraph
isallobaric (analysis)
isosulphocyanic acid
journal entry
Krogh's method
Lagynacea
Laue symmetry
leading-edge tracker
lig. calcaneonaviculare dorsale
Ligamenta intercarpalia interossea
M-reactive dye
market simulation
Martin National Wildlife Refuge
metre bridge
multiple injuries
napropamide
neighbor node
novocain
NV-VH
obloquys
off-oil
optically excited
orifice of uterus
osteochondritis dissecans
otic ganglia
patara
penjavar yambi
pimpel
pooling equilibrium
position meter
principal derivative
prison chaser
program improvement
Pseudocycas(cycadites)
reconsolidating
rectus inferiors
refineds
road maintainer
rotary selector switch thermometer
Scansano
semi-conductor laser therapy
semi-states
signal sources
sound-and-light show
splayed grounds
stirp
synesthetically
tantalum materials/devices
teleophyte
to doubt
Tubeco
twelve note music
two-stage harmonic gear drive
unthrown
venerance
vibration-acceleration level
water-jet pile driver
wycliffite