| A | B |
|---|
| Cuanto tiempo hace que el estudia | How long has he been studying |
| Cuanto tiempo hace que Uds. viajan | How long have you been traveling |
| Cuanto tiempo hace que la muchacha mira television? | How long has the girl been watching tv |
| Hace quince anos que yo vivo acqui | I have been living her for fifteen years. |
| Hace un mes que el estudia el frances | He has been studing French for a month |
| Hace seis semanas que viajamos | We have been traveling for 6 months |
| Hace una hora que ella mira television | She has been watching television for an hour. |
