| A | B |
|---|
| Era interesante escuchar las entrevistas. | It was interesting to listen to the interviews. |
| Va a ser dificil cancelar la teletón. | It is going to be difficult to cancel the telethon. |
| Fue bueno patrocinar el hogar de ancianos. | It was good to sponsor the nursing home. |
| Es | It is |
| Fue | It was once |
| Era | It used to be |
| Va a ser | It is going to be |
| Será | It will be |
| Es bueno publicar los folletos. | It is good to publish the pamphlets. |
