1.当由陈述句充当宾语从句时,用that引导。that无词义,在口语或非正式文体中常省略。
He said________ he could finish his work before supper.(1998年武汉市)
A.if B.what C.that D.whether
2.当由一般疑问句充当宾语从句时,用if或whether引导,意为“是否”。
—Do you know _______ I could pass the exam?
—Sorry,I’ve no idea.(2003年山西省)
A.that B.whether C.what D.which
3.如果宾语从句原来是特殊疑问句,只需用原来的特殊疑问词引导。
These pictures will show you__________.(2003年盐城市)
A.what does our hometown look like
B.what our hometown looks like
C.how does our hometown look like
D.how our hometown looks like
[考点二]考查宾语从句的语序
在含宾语从句的复合句中,不管主句是陈述句还是疑问句,从句一律是用“连接词+陈述句语序”,其标点符号由主句来决定。
He asked his teacher________.(2003年南通市)
A.if there was a monster in Loch Ness
B.when was Albert Einstein born
C.how would the scientists find out the result
D.where could he find the library
[考点三]考查主句与从句时态的呼应
1.如果主句的谓语动词是一般现在时,从句的谓语动词可根据需要,选用相应的任何一种时态。
Jim doesn’t understand________.(2003年辽宁省)
A.which is the way to the museum B.why his wife always goes shopping
C.what is the way to the museum D.why does she always go shopping
2.如果主句的谓语动词是过去时,宾语从句的谓语动词只可根据需要选用过去时态的某一种形式。
—When are the Shutes leaving for New York?
—Pardon?
—I asked________.(2003年呼和浩特市)
A.when are the Shutes leaving for New York
B.when the Shutes are leaving for New York
C.when were the Shutes leaving for New York
D.when the Shutes were leaving for New York
3.如果宾语从句表示的是客观事实、普遍真理、自然现象或习惯性动作等,不管主句是什么时态,从句时态都用一般现在时。
The teacher told us yesterday that December 25________ Christmas Day.(2002年辽宁省)
A.is B.was C.has been D.will be
4.情态动词could,would用于“请求”,表示“委婉、客气”的语气时,从句不用过去时的相应时态。
—Could you tell us how long_____?
—About three days.(2003年陕西省)
A.does the sports meeting last B.the sports meeting last
C.will the sports meeting last D.the sports meeting will last
[考点四]考查if/whether引导的是宾语从句还是状语从句
if/whether引导宾语从句时,意思分别为“是否”和“何时”,其时态应和主句时态相呼应;它们引导状语从句时,意思分别为“如果,假如”和“当……时候”,主句时态是一般将来时,从句时态用一般现在时代替一般将来时。
Do you know if ______ back next week?If he_______ back,please let me know.(2002年黑龙江省)
A.he comes,will come B.will he come,comes
C.he will come,comes D.will he come,will come
[考点五]考查宾语从句的简化
宾语从句在一定条件下,可以简化为“特殊疑问词+不定式”、“it+形容词+不定式短语”、复合宾语、动词不定式(名词、动名词、形容词或副词、过去分词)短语、名词和过去分词等。
The old lady found out where she could buy fruit cheaply.(改为同义句)(2003年广州市)
The old lady found out__________fruit cheaply.(where to buy/get)