| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] for a [noun] | 143 |
|
| 2 | 've been [v-ing] a [noun] | 83 |
|
| 3 | 've been [v-ing] for [noun] | 37 |
|
| 4 | 've been [v-ing] for a | 19 |
|
