| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] for an hour | 5 |
|
| 2 | been [v-ing] for [art] hour | 5 |
|
| 3 | been [v-ing] for [art] hour | 5 |
|
| 4 | been [v-ing] for [art] hour | 5 |
|
| 5 | been [v-ing] for a hour | 5 |
|
