1.當(dāng)由陳述句充當(dāng)賓語(yǔ)從句時(shí)，用that引導(dǎo)。that無(wú)詞義，在口語(yǔ)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(dāng)由一般疑問(wèn)句充當(dāng)賓語(yǔ)從句時(shí)，用if或whether引導(dǎo)，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(yǔ)從句原來(lái)是特殊疑問(wèn)句，只需用原來(lái)的特殊疑問(wèn)詞引導(dǎo)。

　　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(diǎn)二]考查賓語(yǔ)從句的語(yǔ)序

　　在含賓語(yǔ)從句的復(fù)合句中，不管主句是陳述句還是疑問(wèn)句，從句一律是用“連接詞+陳述句語(yǔ)序”，其標(biāo)點(diǎn)符號(hào)由主句來(lái)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(diǎn)三]考查主句與從句時(shí)態(tài)的呼應(yīng)

　　1.如果主句的謂語(yǔ)動(dòng)詞是一般現(xiàn)在時(shí)，從句的謂語(yǔ)動(dòng)詞可根據(jù)需要，選用相應(yīng)的任何一種時(shí)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(yǔ)動(dòng)詞是過(guò)去時(shí)，賓語(yǔ)從句的謂語(yǔ)動(dòng)詞只可根據(jù)需要選用過(guò)去時(shí)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(yǔ)從句表示的是客觀事實(shí)、普遍真理、自然現(xiàn)象或習(xí)慣性動(dòng)作等，不管主句是什么時(shí)態(tài)，從句時(shí)態(tài)都用一般現(xiàn)在時(shí)。

　　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(dòng)詞could，would用于“請(qǐng)求”，表示“委婉、客氣”的語(yǔ)氣時(shí)，從句不用過(guò)去時(shí)的相應(yīng)時(shí)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(diǎn)四]考查if/whether引導(dǎo)的是賓語(yǔ)從句還是狀語(yǔ)從句

　　if/whether引導(dǎo)賓語(yǔ)從句時(shí)，意思分別為“是否”和“何時(shí)”，其時(shí)態(tài)應(yīng)和主句時(shí)態(tài)相呼應(yīng);它們引導(dǎo)狀語(yǔ)從句時(shí)，意思分別為“如果，假如”和“當(dāng)……時(shí)候”，主句時(shí)態(tài)是一般將來(lái)時(shí)，從句時(shí)態(tài)用一般現(xiàn)在時(shí)代替一般將來(lái)時(shí)。

　　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(diǎn)五]考查賓語(yǔ)從句的簡(jiǎn)化

　　賓語(yǔ)從句在一定條件下，可以簡(jiǎn)化為“特殊疑問(wèn)詞+不定式”、“it+形容詞+不定式短語(yǔ)”、復(fù)合賓語(yǔ)、動(dòng)詞不定式(名詞、動(dòng)名詞、形容詞或副詞、過(guò)去分詞)短語(yǔ)、名詞和過(guò)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)