| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] he had [verb] to | 31 |
|
| 2 | [vb past] he had [vb pp] to | 26 |
|
| 3 | [vb past] [pron] had written to | 8 |
|
| 4 | [vb past] [pers pn] had written to | 7 |
|
| 5 | [vb past] he [vb past] written to | 5 |
|
| 6 | [vb past] he have written to | 5 |
|
| 7 | [vb past] he had written [prep] | 5 |
|
| 8 | [verb] he had written to | 5 |
|
| 9 | [vb past] he [verb] written to | 5 |
|
| 10 | [vb past] he had written to | 5 |
|
| 11 | [vb past] he had write to | 5 |
|
