我每次都会问你意见。

Wǒ měi cì dōu huì wèn nǐ yìjiàn.

I'll ask for your opinion every time.

我可以问你一个问题吗？

Wǒ kěyǐ wèn nǐ yí gè wèntí ma?

Can I ask you a question?

你问这些干什么？

Nǐ wèn zhèxiē gàn shénme?

What are you doing asking these (questions)?