| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] been [v-ing] [prep] | 64 |
|
| 2 | which had been [v-ing] [prep] | 64 |
|
| 3 | which [vb past] been [v-ing] in | 15 |
|
| 4 | which [vb past] been [v-ing] for | 12 |
|
| 5 | which [vb past] been [v-ing] since | 6 |
|
| 6 | which [vb past] been [v-ing] on | 5 |
|
| 7 | which [vb past] been [v-ing] from | 5 |
|
| 8 | which [vb past] been running [prep] | 5 |
|
