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
aeronautical satellite communication
appropriated surplus
aviation diesel oil
bakesales
balmify
baseball game
beam antenna
bismuth iodosubgallate
Boim
buoy gear
caliculus ophthalmicus
cardiac liver
cargo oil pump room pipeline
ceratovacuna lanigera zehntner
certificate of approval
cervilaxin
chlorosilyl
city management
complementary action
consociational democracy
container socket
coon bears
current collector
D-Histidine
De Koven,(Henry Louis) Reginald
decasteres
double star thread
drag spring thimble
drawbar pull of tractor
dual chamber furnace
Dundas I.
dynamic memory management system
dyspeptin
educationalist
entrained flow gasification
equal stepped pulleys
eschbach
falcatine
fermented beer
Ferris State University
Fluorchlorapatite
force equilibrium
genus ceratophyllums
Glenbar
goldschmidt radius
Gordioidea
Goyen
gyandrarchy
haemathamnolic acid
half-value layer
halpert
hetaireia
hirdy-girdy
idiotisms
impubic
kernel stiffiness matrix
Klodawa
left hemisphere
Losec
low-level instrumentation
make an oath
mclnnes
measuring-range
medea
mesa surface laser
neechee
neoepinene
news-reporting
NISM
non aqueous
nontopographic photogrammetry
oil refining kettle
Pekah
primary accumulation
provincehood
prowling
public health survey
Quinora
radioresponsiveness
rear axle bogie
ricocheting
Rifater
right R-module
rosacea tuberculis of lowandowsky
scooping it
segos
shelf support
shoulder-in
social security contribution
split skirt
state of saturation
stone cistern
tlian
total regression curve
track hole
tunable organic dye laser
ultramicroburette
ureteric diverticulum
vibix
wild crocus
wind wheel ane mometer
X - Factor