| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] an [noun] for | 5 |
|
| 2 | [verb] [been] [v-ing] an [noun] for | 5 |
|
| 3 | [been] [v-ing] [prep] an [noun] for | 5 |
|
| 4 | [been] [v-ing] [prep] an [noun] for | 5 |
|
