1. She is in London. She is in Berlin, too. (either ... or)
=) She isn't either in Lodon or Berlin
2. The computer can gather facts. It can store them. (not only ... but also)
=) The computer not only can gather facts but also store them
3. This prize will mean an honour for him. It will mean an honour for us. (not only ... but also)
=) The prize will mean an honour not only for him but also for us