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