Определите видо-временную форму :can be discoveredwould take ... to richused to be...

Question

Определите видо-временную форму :
can be discovered
would take ... to rich
used to be regarded
allows ... to access

Answer 1

can be discovered Present Simple Modal Passive
would take ... Future in the Past Active  to reach Simple Active Infinitive
used to be regarded Past Simple, Simple Infinitive Passive
allows ... Present Simple Active to access Simple Active Infinitive