講起 Be 呢個英文字，大家除咗知道佢係解作 is/ am/ are 之外，仲知唔知加咗唔同 prepositions 喺後面有咩解釋呢？
1. Be after 尋找、追捕
She is after a bag to match the dress she bought last Sunday.
她在尋找一個手袋，來襯搭上週日買的裙子。
2. Be along 到達
The next bus is expected to be along in 3 minutes.
預計下一班車將在 3 分鐘內到達。
3. Be down 沮喪的、減少
She has been down since her best friend emigrated to the United States.
自從她最好的朋友移民到美國後，她就一直十分沮喪的。
4. Be down on 批評
He is always down on his colleagues. Therefore, no one likes him.
他總是批評他的同事，因此沒有人喜歡他。
5. Be down with 生病
I took a sick leave yesterday because I had the flu.
我昨天請了病假，因為我得了流感。
6. Be in for 即將遭遇不愉快的事
The Hong Kong Observatory forecasts that we will be in for a strong typhoon in two hours’ time.
香港天文台預測即將在兩小時內遭受強颱風。
7. Be on to 意識到
There is a serious look on her face. I think she is on to something wrong.
她的臉上帶著嚴肅的神色，我認為她應該是意識到一些不對的地方。
