Questions & Answers about Ég bið um vatn.
• Ég = I
• bið = (I) ask (present tense of biðja)
• um = for/about (preposition)
• vatn = water
• um is the preposition used with biðja to mean “ask for.”
• In Icelandic, um always takes the accusative case.
• Here vatn remains unchanged because its nominative and accusative forms are identical for an indefinite neuter noun.
• vatn is a neuter noun.
• In the singular indefinite form, neuter nouns have identical endings in nominative and accusative.
• To make it definite you’d say vatnið (“the water”).
Here’s biðja (“to ask for”) in present tense:
• Ég bið
• Þú biður
• Hann/Hún/Það biður
• Við biðjum
• Þið biðið
• Þeir/Þær/Þau biðja