| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [v-ing] for [num] hour | 7 |
|
| 2 | 's been [v-ing] for [adj] hour | 7 |
|
| 3 | [vb -s] been travelling for [adj] hour | 6 |
|
| 4 | [vb -s] been [v-ing] for [adj] hours | 6 |
|
