我在家。Wǒ zài jiā. I am home.

爸爸在。Bàba zài.  Daddy is here.

妈妈不在。Māma bùzài. Mommy isn't here.

姐姐在不在？Jiějie zài bùzài? Is older sister here?

哥哥在吗？Gēge zài ma?  Is older brother here?

我想跟你在一起。Wǒ xiǎng gēn nǐ zài yīqǐ.  I want to be with you.

我不想跟你在一起。Wǒ bùxiǎng gēn nǐ zài yīqǐ. I don't want to be with you.

在乎 -- 我在乎你。Zàihū -- wǒ zàihū nǐ. I care about you.

https://youtu.be/nzcZxg9ziF8

My email: [email protected]