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二、neither...nor...等對稱結構作主語
neither...nor..., (either)...or..., not only...but also..., not...but...等并列結構作主語時采取就近原則：謂語動詞的數由與其最接近的那個主語的數決定。如：
1. Not only I but also Jane and Mary ________ tired of having one examination after another. (全國卷)
A. is B. are
C. am D. be
【分析】答案選B。謂語動詞跟與其最接近的主語Jane and Mary一致。
2. Either you or the headmaster ________ the prizes to these gifted students at the meeting. (上海卷)
A. is handing out B. are to hand out
C. are handing out D. is to hand out
【分析】答案選D。謂語動詞應與the headmaster一致，排除B和C；是將來時態，排除A。
三、“a / the number of＋復數名詞”作主語
表示“…的數量”的“the number of +復數名詞”作主語時，謂語動詞用單數；表示“一些 / 許多…”的“a number of +復數名詞”作主語時，謂語動詞用復數。如：
The number of people invited ________ fifty, but a number of them ________ absent for different reasons. (全國卷)
A. were; was B. was; was
C. was; were D. were; were
【分析】答案選C。invited是過去分詞作定語修飾people的。
四、one or two...與one / a...or two作主語
“one or two +復數名詞”作主語，謂語動詞用復數；“a / one +單數名詞+or two”作主語，謂語動詞用單數。如：
Only one or two students were late today. 今天只有一兩個同學遲到。
One student or two was late today. 今天只有一兩個同學遲到。
五、neither / either / any / none of...作主語
“neither / either / any / none + of +復數名詞或代詞”作主語，謂語動詞用單數(正式)或復數(非正式)均可。其中any, none后面不跟“of+復數名詞或代詞”，若指的是復數可數名詞，作主語時，謂語動詞也是既可用單數也可用復數。如：
None of the guests want(s) to stay. 沒有一個客人想留下不走。
Neither of us is / are happy about the situation. 我們倆對這種局面都不滿意。
六、some / half / most / all及分數等加of...作主語
“all of / the rest of / half of / most of / part of / plenty of / some of / a lot of / lots of+名詞”，以及“分數(如two thirds)或百分數(如thirty percent )＋of＋名詞”作主語時，謂語動詞的數由of后的名詞的數決定。如：
________ of the land in that district ________ with trees and grass. (上海卷)
A. Two fifth; is B. Two fifth; are
C. Two fifths; is D. Two fifths; are
【分析】答案選C。分數的分子是two，分母fifth加s. two fifths，排除A和B；謂語要與分數后面的名詞the land一致，所以謂語動詞用單數。
七、沒接of短語的half, all, the rest等作主語
half, all, the rest等作主語，根據意義一致的原則確定謂語動詞的形式：所指為單數意義，動詞用單數形式；所指意義為復數意義，動詞用復數形式。如：
I need only a glass of beer; the rest is yours. 我只需要一杯啤酒，其余的是你的了。
Three of us will go; the rest are staying at home. 我們有三個人去，其余的人留在家里。
