做主語的關(guān)系代詞在任何情況下都不可以省略
作賓語的關(guān)系代詞經(jīng)常被省略,但是若出現(xiàn)“介詞+關(guān)系代詞”時,則關(guān)系代詞千萬不可省略.
例：1.He is a person who I like to talk with.(可填4種）
whom
that
\
2.He is a person with whom I like to talk （這里只能填whom)