地

de

-ly, structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct

的

de

of, ~'s (possessive particle), (used after an attribute), (used to form a nominal expression), (used at the end of a declarative sentence for emphasis)

底

de

(equivalent to 的 as possessive particle)

得

de

structural particle: used after a verb (or adjective as main verb), linking it to following phrase indicating effect, degree, possibility etc

我觉得她是对的

wǒ jué de tā shì duì de

I think she's right.

我的房子在城市的北边

Wǒ de fángzi zài chéngshì de běibian

My house is on the north side of the city

他的答案是正确的。

tā de dá àn shì zhèng què de。

His answer is correct.

你的答案是正确的。

nǐ de dá àn shì zhèng què de。

Your answer is correct.

我的杯子

Wǒ de bēizi

My cup

我的碗

Wǒ de wǎn

My bowl

周详地看着他的朋友

zhōu xiáng de kàn zhe tā de péng you

Looking carefully at his friend

我的书在我的书包里

wǒ de shū zài wǒ de shū bāo lǐ

My book is in my school bag

我的猫有绿色的眼睛

wǒ de māo yǒu lǜ sè de yǎn jing

My cat has green eyes

她的表情显得无精打采。

tā de biǎo qíng xiǎn de wú jīng dǎ cǎi。

Her expression was listless.