We only began to see the symptoms of the disease after several months.
=> Only after......................

He didn’t finish his work until the bell rang.
=> Not until...........................

I had only just put the phone down when the boss rang back.
=> Hardly had...................

He had hardly left the office when the telephone rang.
=> No sooner...................

She not only sings but also dances.
=> Not only..............

They are not only good at mathematics but also at science.
=> Not only.......................

He translated not only fast but also correctly.
=> Not did................

She is not only beautiful but also attractive.
=> Not only.......................

She not only wrote the text but also selected the illustrations.
=> Not only.......................

The bus not only crashed into a tree, but it also ran over a cat.
=> Not only...........................