should 和ought to
should 和ought to 都為"應該"的意思，可用于各種人稱。---Ought he to go?
---Yes. I think he ought to.
表示要求，命令時，語氣由 should（應該）、had better最好）、must（必須）漸強。
【should 和ought to】相關文章：
大學英語作文：Should Newspapers Be Replaced?,Should Newspapers Be Replaced08-05
初二英語語法之should的用法02-19
公共場所禁煙 Should Smoking In Public Places Be Banned03-01
中國人應該慶祝西方節日嗎？Should Chinese Celebrate Western Festivals?03-01
大學生是否該做兼職工作Should College Students Take Part-time Jobs03-06
是否應該參加專業以外的課程？Should College Students Take Part in the Course Beyond Their Major?-英語作文03-11
英語六級作文：學生應當允許結婚嗎?(Should College Students Be Allowed to Get Married?)08-10
教師是否應該告訴學生該做什么？Should The Teacher Tell Students What to Do?-英語作文03-11
高中英語作文|Should Students Bring Mobile Phone to School? 中學生是否該帶手機到學校?03-07