| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [be] [vb pp] [prep] [pron] | 11 |
|
| 2 | [prep] [v-ing] [been] [verb] [prep] [pron] | 10 |
|
| 3 | [prep] [verb] [been] [vb pp] [prep] [pron] | 10 |
|
