第九讲宾语从句宾语从句的三要素:引导词、陈述句语序、时态一致1.宾语从句的引导词(1)由陈述句变成的宾语从句,用that引导,语序不变
that在句中无实际意义,可以省略
如:Heisateacher
→Hesaid(that)hewasateacher
Ihavealreadyseenthefilm
→Hesaidthathe(had)alreadyseenthefilm
(2)由一般疑问句变成的宾语从句,用if或whether引导,表示“是否”,原来一般疑问句的语序要变为陈述句语序
如:DoestheboylikeEnglish
→TheteacheraskedmeiftheboylikedEnglish
Aretheystudents
→Idon'tknowiftheyarestudents
注意:当宾语从句中出现“ornot”或“or+供具体选择的内容”时,就只能用whether来引导
例如:Idon’tknowwhetherhewillcomebacksoonornot
(3)由特殊疑问句变成宾语从句时,疑问代词或疑问副词作宾语从句的引导词,并在宾语从句中充当成分,表示对不清楚的人、事物、时间、地点、方式等的询问
原来特殊疑问句的疑问语序要变为陈述语序
如:Whoisthatboy
→MissLiwantstoknowwhothatboyis
Whatdoesthegirlwanttobuy
→Heaskedwhatthegirlwantedtobuy
Wherehavetheygone
→Ididn’tknowwheretheyhadgone
Whendidyouleave
→HeaskedwhenIleft
2.宾语从句的语序要用陈述句语序,即宾语从句的主语前不可有be动词、情态动词或助动词do,does,did,have,has,had等
3.时态一致性,即