Gaano (Gano): Tagalog Question Word

how (extent, degree, quantity)

gaano ka- + adjective root
how big, fast etc.

Gaano kalaki ang bahay?	How big is the house?
Gaano kabilis tumakbo si Fred?	How fast does Fred run? How fast did Fred run?
Gaano kadalas magluto’ si John?	How often does John cook?
Gaano karami?	How much? How many?

Plural: gaano ka- +rep1 + adjective root

Gaano kalaki ang mga bahay?

Gaano kalalaki ang mga bahay?

How big are the houses?

Note: Using the plural form is optional.