| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been found to | 146 |
|
| 2 | have been found to | 146 |
|
| 3 | has been found to | 56 |
|
| 4 | [vb -s] been found to | 56 |
|
| 5 | have been found to | 48 |
|
| 6 | [vb base] been found to | 48 |
|
| 7 | had been found to | 28 |
|
| 8 | [vb past] been found to | 28 |
|
| 9 | [v-ing] been found to | 14 |
|
| 10 | having been found to | 14 |
|
