| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] be [v-ing] [prep] | 1388 |
|
| 2 | which [vb past] be [verb] [prep] | 1325 |
|
| 3 | which [verb] be [v-ing] [prep] | 131 |
|
| 4 | which [vb past] be [v-ing] [prep] | 64 |
|
| 5 | which [vb past] [be] [v-ing] [prep] | 64 |
|
