argument [v]
- unterstützen
- untermauern
construction [v]
- stützen
- abstützen

argument [v]
- étayer
- appuyer
- renforcer
construction [v]
- étayer

argument [v]
- consolidare
- rafforzare
construction [v]
- sottomurare

argument [v]
- apuntalar
- sostener
- apoyar
construction [v]
- apuntalar

argument [v]
- ondersteunen
- onderbouwen
- schragen
construction [v]
- ondersteunen
- onderstoppen

argument [v]
- stödja
- bekräfta
- styrka
construction [v]
- stötta
- bygga under

argument [v]
- apoiar
- suportar
- dar crédito a
construction [v]
- escorar
- calçar

Present participle; Past participle
- underpinning
- underpinned
Present
- underpin
- underpin
- underpins
- underpin
- underpin
- underpin
Past
- underpinned
- underpinned
- underpinned
- underpinned
- underpinned
- underpinned
Future
- will underpin
- will underpin
- will underpin
- will underpin
- will underpin
- will underpin
Present conditional
- would underpin
- would underpin
- would underpin
- would underpin
- would underpin
- would underpin
Present Perfect
- have underpinned
- have underpinned
- has underpinned
- have underpinned
- have underpinned
- have underpinned
Past Perfect
- had underpinned
- had underpinned
- had underpinned
- had underpinned
- had underpinned
- had underpinned
Future Perfect
- will have underpinned
- will have underpinned
- will have underpinned
- will have underpinned
- will have underpinned
- will have underpinned
Past conditional
- would have underpinned
- would have underpinned
- would have underpinned
- would have underpinned
- would have underpinned
- would have underpinned
Imperative
- -
- underpin
- -
- -
- -
- -