帶有結(jié)構(gòu)either...or neither...nor there...be not only ...but also here...be的句子中謂語采用就近原則
就近原則就是根據(jù)與謂語動詞最近的名詞的可數(shù)性而確定謂語動詞的變化行式.例如：Not only his parents but also his brother has gone to beijing .They haven't been back .其中主語是復(fù)數(shù),而has 就運用了就近原則,brother 是單數(shù),它與has（由have變來） 最近,所以用has .
最簡單的例子.
There is an apple and two bananaes.
這里蘋果是單數(shù).香蕉是復(fù)數(shù).
但是由于蘋果離There be 近所以就近.BE的選用就根據(jù)離他近的蘋果來判斷.
只有一個蘋果嘛.就用單數(shù)is咯.
你要是最簡單的懂了.
等你學(xué)到其他的就近原則時就很簡單啦.
其實這個難就難在你不知道那些詞是要就近的.