| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] for a [adj] | 77 |
|
| 2 | 's been [v-ing] for [adj] | 23 |
|
| 3 | 's been [v-ing] for a | 15 |
|
| 4 | 's been [v-ing] a [adj] | 13 |
|
