反身代詞後面可以加動詞,也可以不加任何詞放在句尾。例如,She can cook dinner by herself.她可以自己做晚餐。
She herself makes breakfast every day.她每天自己製作早餐。這一句話中的herself是she的同位語。
Can you play the guitar  by yourself?
反身代詞,後面不加任何詞性,反身代詞一般結尾。如,No one told him,He learned it by himself,沒有人告訴他,他自學的