| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] [been] [v-ing] for | 186 |
|
| 2 | [noun] which [vb past] [been] [v-ing] | 100 |
|
| 3 | which [vb past] [been] [v-ing] for | 12 |
|
