| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] to | 2093 |
|
| 2 | had been [vb pp] to | 1968 |
|
| 3 | [verb] been found to | 146 |
|
| 4 | have been found to | 146 |
|
| 5 | had been found [prep] | 130 |
|
| 6 | had been found [prep] | 130 |
|
| 7 | [vb past] been found to | 28 |
|
| 8 | had [been] found to | 28 |
|
| 9 | had [be] found to | 28 |
|
| 10 | had been found to | 28 |
|
| 11 | had be found to | 28 |
|
| 12 | had been find to | 28 |
|
