| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] be found to [be] in | 13 |
|
| 2 | [v-ing] been found to [be] in | 13 |
|
| 3 | having be found to [be] in | 13 |
|
| 4 | [v-ing] be found to be in | 13 |
|
