| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which had [been] [v-ing] for | 7 |
|
| 2 | [noun] which [vb past] [been] [v-ing] for | 7 |
|
| 3 | [noun] which [vb past] been [v-ing] for | 7 |
|
| 4 | [noun sg] which [vb past] [been] [v-ing] for | 6 |
|
