主谓一致详解(附历年高考真题)
四.“n1+of+n2”作主语时的主谓一致,采用意义一致原则
“n1+of+n2”(简称of短语)作主语时,也采用意义一致原则。由于内容多,单独讲解。
当“n1+of+n2”作主语时,应该根据n1还是n2确定谓语的数?分为两类情况:如果语义重心在右(n2),则根据n2确定谓语的数。如果语义重心在左(n1),则根据n1确定谓语的数。
细分为以下情况:
a…
the/复数…
1.有些of短语,①当“a…of…”作主语时,重心在of右。
②当“the/复数…of…”作主语时,重心移到of左。
2.有些of短语,当“a…of…”作主语时,重心在of左。
3.有些of短语,当“the…of…”作主语时,重心在of右。
下边详细讲解此表。
1.一般地,“n1+of+n2”作主语时的主谓一致,分为两种情况:①当“a+n1+of+n2”作主语时,语义重心在右边(n2),根据n2确定谓语的数。②但是,当“the+n1+of+n2”或“n1复数+of+n2”作主语时,语义重心移到左边(n1),根据n1确定谓语的数。这是因为,把n1由a变为the或复数,意在强调n1,所以,语义重心由右边(n2)转移到左边(n1)。
这些of短语有:①跟可数名词的,如,a(n) number/average/group of。②跟不可数名词的,如,a great deal of,a(n) bit/amount of。③跟可数或不可数名词的,如,a kind/sort/type of,a quantity/ proportion/variety/plenty of,分数/百分数+of。
例句(number of)
The number of students is increasing.(the number of,…的数量,谓语用单数。)
例句(quantity of)
A large quantity of beer was sold.
The quantity of books in the library is amazing.
The quantity of heat in the office has been increased.
Large quantities of wheat are being sent abroad.
例句(百分数+of)
20 percent of the students are absent today.
例句(其它)
A great deal of trouble lies before me.
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