Pino ( पिणो ), Pido ( पिदो ), Paav ( पाव )

Meaning

Pino ( पिणो ) - Present Tense

To drink

To take (a liquid) into the mouth and swallow 

Pido ( पिदो ) - Past Tense

Drank

Paav ( पाव )

To ask someone for a liquid (generally water)

Hindi Synonyms

पीना    घुटकना    ढालना

Use

To give direction or request for drinking 

Example

Marwari - मम्मी मारे पाणी पिणो .  ( Mummy, mare pani pino )
English  - Mummy, I what to drink water

Hindi     - मम्मी मुझे पानी पीना है .

In case of past tense, the word is "Pido ( पिदो )"

Marwari - बेटा, जुस पिदो काई?  ( Beta, jus pido kai )

English  - Son, have you drank your Juice ?

Hindi     - बेटा जुस, पी लिया ?

In case of asking other person for water "Paav ( पाव )" is used

Marwari - नामी पाणी पाव जे .  (Nami Pani Paav Je )

English  - Please give me water

Hindi     - जरा पानी लाना .