to be
US /tə biː/
UK /tə biː/
助動詞
1.
是, 存在
to exist or happen
範例:
•
I want to be happy.
我想要快樂。
•
The meeting is to be held tomorrow.
會議將於明天舉行。
2.
是, 正在
used as an auxiliary verb to form tenses, moods, and voices
範例:
•
She is reading a book.
她正在看書。
•
They were playing soccer.
他們正在踢足球。
動詞
是, 成為
used to indicate identity or a characteristic
範例:
•
She wants to be a doctor.
她想成為一名醫生。
•
He seems to be tired.
他似乎很累。