not only A but also B后为什么+第三人称单数

求英语第二题 not only but also后是单数还是复数啊 not only.but also之后用单数还是复数 not only but also 后边跟单数还是复数 not only...,but also. not only...but also... not only ... but also.. not only but also Not only( ),but also a great thinker. not only A but also B 采用就近原则时,A还是B近? not only A but also B后面加什么be动词?both A and B呢 not only A but also B=A as well as B we need not onlyA but also B还是we not only needA but also B