宾语从句英语专题教学学习PPT.ppt

goodmorning boysandgirls 宾语从句theobjectclause 定义 了解宾语从句 复合句中 放在 后充当宾语的句子叫宾语从句 动词或介词 语序 宾语从句三要素 连接词 时态 陈述句 主语 谓语 一语序将下列句子改成陈述句语序 1 isthereabanknearhere 2 aretheydoinghomework thereisabanknearhere theyaredoinghomework 3 doessheworkinahospital 4 didyougotocenterpark 5 dowehavetowearauniform 6 canwewearhatsinschool sheworksinahospital youwenttocenterpark wehavetowearauniform wecanwearhatsinschool 语序不变 三 宾语从句注意事项 当从句为以下句子以及what who作主语时 语序不变 what swrong thetrouble thematter what shappening 1 我不知道他怎么了 idon tknowwhat swrongwithhim 2 canyoutellmewhoisstandingoverthere 汉语 3 doyouknowwhoisthemanoverthere 判断正误 注意 你能告诉我谁站在那儿吗 who whomthemanoverthereis 你能告诉我那边的那个人是谁吗 二连接词 ihear that hewillbebackinanhour that 1 hewillbebackinanhour ihear 1 当陈述句充当宾语时 由 连接 hesaid that hewasverynervous 2 hewasverynervous hesaid 2 canitryiton lucyasks lucyasksif whethershecantryiton 1 isjimagoodstudent idon tknow idon tknowif whetherjimisagoodstudent 当一般疑问句充当宾语时 由 连接 常用在ask wonder can could youtellmedoyouknow等后 if whether 人称一致 3 当特殊疑问句充当宾语时 由 连接 1 whatisshedoing canyoutellme canyoutellmewhatsheisdoing 2 wheredoesshelive doyouknow doyouknowwhereshelives 特殊疑问词 tense 1 主句时态是现在时 从句时态根据句意 1 iknow that he join theleaguein1985 2 iseethatthey play footballovertherenow 3 tellmewherehe live 4 ihearthathe come tomorrow joined areplaying lives willcome 三时态 2过去时 一般现在 一般将来 一般过去 现在完成 现在进行 一般过去 过去将来 过去完成 过去完成 过去进行 2主句时态是过去时 从句时态改成相应的过去时态 rises 当从句陈述的是一般真理 客观事实 自然现象 谚语时 无论主句是什么时态从句都要用一般现在时1 hetoldmethatthesun rise intheeast 2 ididn tknowwherecanada be exx 你知道吗 rises is heoftengoessightseeingonholiday jacktoldme that heoftenwentsightseeingonholiday 1 jacktoldme 改为宾语从句 willmisslibeourenglishteacher 2 thestudentswondered thestudentswonderedif whethermissliwouldbeourenglishteacher 是否 只用whether不用if的情况 一般情况下 if和whether可以互换 但以下4种情况只能用whether 在不定式前 whethertogothereornothasn tbeendecided 在介词前 itdependson 取决于 whetheritisgoingtorain 与ornot连用 theyaretalkingaboutwhethertogothereornot 做主语从句 常用于句首 whetherheisrightisn timportant 主语 1 mikesaidthathe toamerica a hasneverbeenb hasnevergonec hadneverbeend hadnevergone2 doyouknow tothemeeting a whydoesn tshecomeb whyshehasn tcomec whydidn tshecomed whyshehasn tcame b c choosetherightanswer 3 didyouhear a whatdidisayb thatdidisayc thatisaidd whatisaid4 couldyoutellme please a whereisthepostofficeb wherethepostofficeisc wherewasthepostofficed wherethepostofficewas5 theteachertoldustheearth roundthesun a goesb goc wentd going d b a doyouknowwhatishedoing 2 shesaidhermotherisverywell 3 idon tthinkifheisaworker 4 hewantstoknowifitrainstommow heis was that correctthemistakes willrain 如果主句的谓语动词是think believe guess suppose等 而且主句的主语又是第一人称时 要进行否定转移 if when if when引导宾语从句和状语从句的区别 1 宾语从句 if 适当时态 when2 状语从句 条件状语从句if时间状语从句when 是否什么时候 如果 当 时候 时态 当主句是一般将来时 一般现在时 祈使句 或含情态动词时 从句一般现在时 exx 引导状语从句经常位于句首 引导宾语从句经常在动词或介词之后 if when区别练习 1 ifit rain tomorrow iwon tcome 2 hedidn ttellmeifit rain tomorrow 3 idon tknowifhe come tomorrow ifhe come i lltellyou 4 whenit stop raining we llgoswimming 5 couldyoutellmewhenthefilm start i llleaveforamoment wouldrain rains willcome comes stops willstart 如果 是否 是否 如果 当 的时候 什么时候 如何把宾语从句转化为简单句 1 当主从句的主语一致时 特殊疑问词 不定式 1 idon tknowwhatishalldonext idon tknowwhattodonext 2 johndidn tdecidewhichshirthewouldbuy johndidn tdecidewhichshirttobuy 2 当主句中含有think find或see hear等词时 要考虑think find 名词 代词 形容词或see hearsb doing1 ifindthatenglishisveryuseful ifind 2 isawthatshewasplayingpianoatthatmoment isaw pianoatthatmoment3 当所给从句为祈使句 变为宾语从句时 常用ask tell ordersb not todosth结构 pleasebequiet ourteachersaidtous ourteacher quiet englishveryuseful herplaying askedustobe 你都收获了什么 一宾语从句的三