Vocab
hay |   | there is/are |
había |   | there was/were |
hubo |   | there was/were |
ha habido |   | there has/have been |
habrá |   | there will be |
habría |   | there would be |
había habido |   | there had been |
habrá habido |   | there will have been |
habría habido |   | there would have been |
haya habido |   | there has been |
hubiera |   | there was/were |
hubiera habido |   | there had been |