not，only前面可以用be嗎

不一定。

1、sb./sth be not only also....

2、sb./sth not only 實義動詞...，but also 實義動詞....

not only also

讀音：英 [nɒt ˈəʊnli bət ˈɔːlsəʊ] 美 [nɑːt ˈoʊnli bət ˈɔːlsoʊ]

釋義：不僅……而且，不但而且。

例句：

One should not only observe but also help.

不但要看，而且要幫。

擴充套件資料

not only also的近義詞：as well as

as well as

讀音：英 [æz wel æz] 美 [æz wel æz]

釋義：既…又…

語法：as well as常用來連線兩個並列的成分，作“也，還”解。它強調的是前一項，後一項只是順便提及。因此連線並列主語時，謂語動詞與前一項一致。

例句：

They visited some factories， hospitals as well as the school.

他們參觀了這所學校，還參觀了工廠和醫院

可以呀，當not only和but also連線名詞的時候就行，例如 She is not only a teacher but also a mother.