| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] be [v-ing] [prep] | 450 |
|
| 2 | who [vb past] be [v-ing] [prep] | 179 |
|
| 3 | who [vb past] [prep] be [v-ing] | 56 |
|
| 4 | who [vb past] [prep] be [prep] | 29 |
|
| 5 | who [vb past] [prep] [v-ing] [prep] | 19 |
|
