高中英语语法解析名词性从句2用it作形式主语的结构1Itis+名词+从句ItisafactthatItisa
ho
orthatItiscommo
k
owledgethat2Itis+形容词+从句Itis
aturalthatItisstra
gethat是3Itis+不及物动词+从句ItseemsthatIthappe
edthatItappearsthat4It+过去分词+从句ItisreportedthatIthasbee
provedthatItissaidthat据报道已证实据说似乎碰巧似乎很自然奇怪的事实是非常荣幸是常识
(2)Itissaidreported结构中的主语从句不可提前。例如:正确表达:ItissaidthatPreside
tHuwillvisitourschool
extweek错误表达:ThatPreside
tHuwillvisitourschool
extweekissaid(3)Ithappe
soccurs结构中的主语从句不可提前。例如:
f正确表达:Itoccurredtohimthathefailedi
theexami
atio
错误表达:Thathefailedi
theexami
atio
occurredtohim(4)does
’matterhowwhether结构中的主语从句不可提前。Itt正确表达:Itdoes
’tmatterwhetherheiswro
gor
ot错误表达:Whetherheiswro
gor
otdoes
’tmatter3动词+间接宾语+宾语从句。例如:that不可以省略!Shetoldmethatshewouldacceptmyi
vitatio
她对我说她会接受我的邀请。三表语从句表语从句在复合句中作表语的名词性从句,放在系动词之后,一般结构是“主语+连系动词+表语从句”。可以接表语从句的连系动词有belookremai
seem等。另外,常用的还有thereaso
isthat和Itisbecause等结构。例如:1Thequestio
iswhetherweca
makegoodpreparatio
i
suchashorttime2Thisiswhyweca
’tgetthesupportofthepeople3Butthefactremai
sthatwearebehi
dtheotherclasses4Thereaso
heislateforschoolisthathemissedtheearlybus四同位语从句同位语从句就是在复合句中作名词的同位语的名词性从句。1同位语从句的功能同位语从句对于名词进一步解释,说明名词的具体内容,一般由that
f引导,例如:1Theki
g’sdecisio
thatthepriso
erwouldbesetfreesurprisedallthepeople2Theorderthatallthesoldiersshouldstaystillisgive
bythege
eral2同位语在句子中的位置同位语从句有时可以不紧跟在它所说明的名词后面,而是被别的词隔开。例如:Hegotthe
ewsfromMarythatthesportsmeeti
gwasputoff3同位语从句与定语从句的区别1定语从句中的that既代替先行词,同时以在从句中作某个成分(主语或宾语),而同位语从句中的that是连词,只起连接主句与从句的作用,不充当句中任何成分。2定语从句是形容词性的,其功能是修饰先行词,对先行词加以限定,描述定的性质或特征r