你nǐ怎zěn么me去qù机jī场chǎng？坐zuò地dì铁tiě吗ma？

How are you getting to the airport? By metro?

这zhè个ge字zì怎zěn么me读dú？

How do you read this character?

你nǐ怎zěn么me了liǎo？你nǐ看kàn起qǐ来lái不bù太tài好hǎo。

What is the matter with you? You do not look well.

你nǐ怎zěn么me知zhī道dào的de？

How did you know?

他tā怎zěn么me还hái没méi来lái？

Why has he not come yet?