Tag question 附加問句

肯定的敘述用否定的附加問句，否定的敘述用肯定的附加問句。

• Health insurance is really expensive, isn't it?
• There are lots of criminals in the city, aren't there?
• Child care isn't cheap, is it?
• There aren't enough police, are there?

簡單的現在式和過去式如果用非BE 動詞，使用 do / did / does 來當作附加問句。

• Graffiti makes everything look ugly, doesn't it?
• People don't care about our city, do they?
• He read this book, didn't he?

完程式或過去完成式的句子，都使用 have / has 來當作附加問句，不使用 had。

• He's read this book, hasn't he?
• You have been to London, haven't you?
• They had been dating for two years before they got married, haven't they?

使用助動詞的敘述，使用相同的助動詞。

• Colleges should provide day care, shouldn't they?
• You can't find affordable child care, can you?
• Traffic laws must be enforced, mustn't it?

may, might, 和 ought to 沒有相對應的附加問句，通常會用 right 或 yes 或 no 或 don't you agree 。

• You may not have arrived by then, right?
• You might have arrived by then, no?

I am not 的句子會接 am I，但 I am 的句子會接 aren't I。

• I'm not the worst in the class, am I?
• I am right, aren't I?

處理 nothing 或 nobody 為主詞時，以否定描述處理。

• Nothing came in the post, did it?

其它特殊附加問句

• You have to go, don't you?
• Let's go, shall we?
• He'd better do it, hadn't he?