Not Only But Also Comma - Brightlocal News
Most not only. But also sentences won't require a comma. It's a correlative conjunction, which means that it is used to connect two ideas into a single sentence.
Not only did we camp in the woods, but we also canoed down the river. When you use not only. But also to connect clauses, you should always put a comma. E. g. , not only does she own a house in ny, but she also has a place in florida. When there is no auxiliary verb or main verb be, we use do, does, did: Not only did she forget my birthday, but she also didn't even apologise for forgetting it.
When there is no auxiliary verb or main verb be, we use do, does, did: Not only did she forget my birthday, but she also didn't even apologise for forgetting it.