Not only 放句首；
第一个分句中的主语和谓语要部分倒装,而but also后面的句子仍用陈述语序.
eg;Not only did I see a film, but also cleaned my room.
Not only does Mr. Robert is our teacher, but also he is our friend.
罗伯特先生不只是我们的老师,他还是我们的朋友.
Not only 放句首；
第一个分句中的主语和谓语要部分倒装,而but also后面的句子仍用陈述语序.
eg;Not only did I see a film, but also cleaned my room.
Not only does Mr. Robert is our teacher, but also he is our friend.
罗伯特先生不只是我们的老师,他还是我们的朋友.