1.當由陳述句充當賓語從句時,用that引導。that無詞義,在口語或非正式文體中常省略。
He said________ he could finish his work before supper.(1998年武漢市)
A.if B.what C.that D.whether
2.當由一般疑問句充當賓語從句時,用if或whether引導,意為“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.如果賓語從句原來是特殊疑問句,只需用原來的特殊疑問詞引導。
These pictures will show you__________.(2003年鹽城市)
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
[考點二]考查賓語從句的語序
在含賓語從句的復合句中,不管主句是陳述句還是疑問句,從句一律是用“連接詞+陳述句語序”,其標點符號由主句來決定。
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
[考點三]考查主句與從句時態(tài)的呼應
1.如果主句的謂語動詞是一般現(xiàn)在時,從句的謂語動詞可根據(jù)需要,選用相應的任何一種時態(tài)。
Jim doesn’t understand________.(2003年遼寧省)
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.如果主句的謂語動詞是過去時,賓語從句的謂語動詞只可根據(jù)需要選用過去時態(tài)的某一種形式。
—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.如果賓語從句表示的是客觀事實、普遍真理、自然現(xiàn)象或習慣性動作等,不管主句是什么時態(tài),從句時態(tài)都用一般現(xiàn)在時。
The teacher told us yesterday that December 25________ Christmas Day.(2002年遼寧省)
A.is B.was C.has been D.will be
4.情態(tài)動詞could,would用于“請求”,表示“委婉、客氣”的語氣時,從句不用過去時的相應時態(tài)。
—Could you tell us how long_____?
—About three days.(2003年陜西省)
A.does the sports meeting last B.the sports meeting last
C.will the sports meeting last D.the sports meeting will last
[考點四]考查if/whether引導的是賓語從句還是狀語從句
if/whether引導賓語從句時,意思分別為“是否”和“何時”,其時態(tài)應和主句時態(tài)相呼應;它們引導狀語從句時,意思分別為“如果,假如”和“當……時候”,主句時態(tài)是一般將來時,從句時態(tài)用一般現(xiàn)在時代替一般將來時。
Do you know if ______ back next week?If he_______ back,please let me know.(2002年黑龍江省)
A.he comes,will come B.will he come,comes
C.he will come,comes D.will he come,will come
[考點五]考查賓語從句的簡化
賓語從句在一定條件下,可以簡化為“特殊疑問詞+不定式”、“it+形容詞+不定式短語”、復合賓語、動詞不定式(名詞、動名詞、形容詞或副詞、過去分詞)短語、名詞和過去分詞等。
The old lady found out where she could buy fruit cheaply.(改為同義句)(2003年廣州市)
The old lady found out__________fruit cheaply.(where to buy/get)