make sure [v]
- sich vergewissern
- nachsehen

make sure [v]
- s'assurer
- vérifier

make sure [v]
- assicurarsi
- verificare

make sure [v]
- asegurarse
- verificar

make sure [v]
- zich vergewissen
- zich verzekeren

make sure [v]
- förvissa sig om
- försäkra sig om

make sure [v]
- assegurar
- certificar

verify [v]
- prove
- establish
- demonstrate
- substantiate
- learn
- determine
- find out

Present participle; Past participle
- ascertaining
- ascertained
Present
- ascertain
- ascertain
- ascertains
- ascertain
- ascertain
- ascertain
Past
- ascertained
- ascertained
- ascertained
- ascertained
- ascertained
- ascertained
Future
- will ascertain
- will ascertain
- will ascertain
- will ascertain
- will ascertain
- will ascertain
Present conditional
- would ascertain
- would ascertain
- would ascertain
- would ascertain
- would ascertain
- would ascertain
Present Perfect
- have ascertained
- have ascertained
- has ascertained
- have ascertained
- have ascertained
- have ascertained
Past Perfect
- had ascertained
- had ascertained
- had ascertained
- had ascertained
- had ascertained
- had ascertained
Future Perfect
- will have ascertained
- will have ascertained
- will have ascertained
- will have ascertained
- will have ascertained
- will have ascertained
Past conditional
- would have ascertained
- would have ascertained
- would have ascertained
- would have ascertained
- would have ascertained
- would have ascertained
Imperative
- -
- ascertain
- -
- -
- -
- -