Nobody but doctors or nurses and those____ by Dr.Hu ____ to enter the patient’s room.
A.invited; is allowed
B.a(chǎn)re invited; are allowed
C.being invited; allowed
D.invited; are allowed
A

試題分析:考查分詞做定語和主謂一致。本題第一空的名詞those與動(dòng)詞invite構(gòu)成被動(dòng)關(guān)系,故使用過去分詞短語在句中做定語修飾those;第二空與句子主語nobody保持一致,使用單數(shù)形式。句意:除醫(yī)生和護(hù)士和那些胡教授邀請(qǐng)來的人,沒有人沒有進(jìn)入病人的房間。故A正確。
點(diǎn)評(píng):當(dāng)分詞做定語的時(shí)候,如果構(gòu)成分詞的動(dòng)詞與名詞構(gòu)成主動(dòng)關(guān)系,就使用現(xiàn)在分詞做定語;當(dāng)二者構(gòu)成被動(dòng)關(guān)系,使用過去分詞做定語。單獨(dú)的一個(gè)分詞做定語要放在名詞的前面,分詞短語做定語要放在分詞的后面。在英語中,句子的主語和謂語動(dòng)詞要保持?jǐn)?shù)上的一致關(guān)系,叫主謂一致。這種關(guān)系通常要遵循下面三條原則:1.語法一致原則。句子的主語是單數(shù)形式,謂語動(dòng)詞要用單數(shù)形式;主語是復(fù)數(shù)形式,謂語動(dòng)詞用復(fù)數(shù)形式2.意義一致原則即謂語動(dòng)詞該用單數(shù)還是復(fù)數(shù)取決于主語所表達(dá)的內(nèi)容在含義是單數(shù)意義還是復(fù)數(shù)意義。3.鄰近原則謂語動(dòng)詞該用單數(shù)還是復(fù)數(shù)形式,取決于最鄰近它的名詞、代詞或其它詞的數(shù)。
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