时间:2019-01-04 作者:英语课 分类:英文语法词汇


英语课

 引导名词性从句的连接词可分为三类:
   连接词:that,whether,if 不充当从句的任何成分)
   连接代词:what, whatever, who, whoever 1, whom,
        whose, which.
   连接副词:when, where, how, why
   不可省略的连词:
    1. 介词后的连词
    2. 引导主语从句和同位语从句的连词不可省略。
     That she was chosen made us very happy.
     We heard the news that our team had won.
 比较:whether与if 均为"是否"的意思。 但在下列情况下,whether 不能被if 取代:
1. whether引导主语从句并在句首
2. 引导表语从句
3. whether从句作介词宾语
4. 从句后有"or not"
   Whether he will come is not clear.


  大部分连接词引导的主语从句都可以置于句末,用 it充当形式主语。
  It is not important who will go.
  It is still unknown 2 which team will win the match.

pron.无论谁,不管谁;任何人
  • I'll find the person who did this,whoever he is.我要找出干这件事的人,不管他是谁。
  • Whoever does best will get the prize.谁做得最出色谁就得奖。
adj.未知的,陌生的;n.未知的东西,未知数
  • People usually infer an unknown fact from a known fact.人们通常从已知的事实中推断未知的事实。
  • The scientist was faced with many unknown factors.那个科学家面临许多未知数。
学英语单词
.as
acataleptic
acetyl vanillin
aemilianus
airfoil characteristics
Andhra L.
angel of the village spire
anicius manlius severinus boethiuss
Anoectochilus brevistylis
Antelobine
baktun
bar-on
basic operator control ssp
be down on one's luck
Blanchetown
Bredia quadrangularis
bright
bukkehorn
burning equation
chevron structure
Chilkat
chime chine
clootie
coefficient of thermal conductivity of grain
common hazard
compressed format
correction of depth
coumarin plants
cutinisation
cyprzenpam
distal intertarsal sac
Eréké
etherealisation
falconi
fire lance
fistulogrphy
fki
flat characteristic curve
freight claim
Fulsix
gas water ratio
gin sling
giving up of heat
glycerylis guaiacolas
hand-feed
horizontal sliding bar
hypoxylon urceolatum
internally cooled supercharging
irregularity in sequence
k?t zu ch'ieh
konjak mannan
Laval nozzle
legal construction
linearity controls
living marine resources
look nippy
lugit
lupus cell
mechanical capsulation
merits
mezedes
modulus of ring
mow conveyer
NF (negative feedback)
nikulov
non-isotopic labeled compound
nonbikers
oligosperma
optimum merging pattern
OVLD
papal brief
passive detection and ranging radar
passrate
pentafluorization
phosphindolizines
physiopathic
pilot-actuated safety valve
Purificacion
quadruple error detection
regression of node
rotational dispersion
scientific problem
self-empowerings
short-form
single stand mill
single wire with hull return
Skröven
social harmony
stereoption
subbase mounting
tar pits
TGAB
thermal mass flowmeter
Thiersch's graft
throw money around
tide-lines
triolein131I
ucatts
vasculomotor
video clip
virtual interface
zipi