not only,but also后面如果是动词要用ing形式吗?应该不要吧

not only...but also是连接词.可以连接两个名词,两个动词谓语,两个形容词,两个副词,两个ing也是可以的.只要前后对等即可.
She likes not only swimming but also skating.
She is not only pretty but also kind.
He not only complained about the food but also refused to pay for it.
I will not only do it but also do it better than you.
I love not only my mun but also my dad.
She works not only hard but also carefully.