�、�. at school表示“在學(xué)校、在上學(xué)”相對于在家里或在校外。如：
�、� My son is at school now. He is not at home or somewhere else. 我兒子現(xiàn)在在學(xué)校，他不在家，也不在別的地方。
�、� When my brother was at school, he studied very hard. 在學(xué)校時，我兄弟學(xué)習(xí)很用功。
�、�. in school “在求學(xué)、在上學(xué)”相對于有工作。如：
My daughter still in school She doesn’t work。我女兒還在上學(xué)，她不在工作。
[注]：①和②用at school 強調(diào)所在場所或時間。③中的in school 則強調(diào)主語的身份是學(xué)生。因此，in school. 和at school的著重點不一樣，通常不互換使用。
Ⅲ. In a / the school “在學(xué)�！保灰欢ㄖ干蠈W(xué)。類似的還有：
in hospital “生病住院”
in a / the hospital表“在醫(yī)院”(工作或探視病人等)
at table “在吃飯”
at a / the table “在桌邊”(有可能在聊天或看報)
�、� Is your friend in school? 你的朋友在上學(xué)嗎?
① Your friend looked for you in the school just now. 剛才你的朋友在學(xué)校里找你。
�、� Children are often in hospital when they are young. 孩子們小的時候經(jīng)常生病住院。
�、� She is a good doctor in the hospital .她是醫(yī)院里的一名好大夫。
，我們將會及時處理。
