I know the news. Snowden is seeking political asylum these days.
I know that Snowden is seeking political asylum these days.
一般疑问句
if / whether
Is he a bad guy? Can he get some help?
I wonder if/whether he is a bad guy. (wonder = want to know)
The student ask if/whether he can get some help.
if两面孔
是否
I don't know if he will come to the party this evening.
如果(状从,主将从现)
I think he will come if he is free.
whether比 if 高:
前有介词狼 后有to do虎
句尾or not 只能用whether
Her mood depends on whether she is teased.
They haven't decided whether to tell the truth.
They often ask whether I heard the news or not.
特殊疑问句
特殊疑问词 (做句子成分)
Where is the real shelter for him? How can he get rid of the difficulties?
We don't know where the real shelter is for him.
We talk about how he can get rid of the difficulties.
语序
陈述语序
特殊疑问词在从句中可做主语
易错
引导词+谓语
The little child wants to know what is in his stocking.
Can you tell me who knows the answer?
I don't know what's the matter.
时态
主现从随便
主过从必过
真理永一现
He says
he will go to Hong Kong.
he is sick.
he is reading a book.
he has finished his work.
light travels faster than sound.
He said
he would go to Hong Kong. (will->would, can->could)
he was sick. (一现->一过)
he was reading a book. (现进->过进)
he had finished his work. (现完->过完)
light travels faster than sound.
否定前移
我(们)认为...不...
主语 谓语
I think,
we believe
suppose
I don't think she is right. (我认为她不对)
We don't believe the man is killed. (我们相信该男子没被杀)