| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been [v-ing] for [num] | 12 |
|
| 2 | [adv] [been] [v-ing] for [num] | 11 |
|
| 3 | only [been] [v-ing] for [num] | 6 |
|
| 4 | only [been] [v-ing] for [num] | 6 |
|
