| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to [adj] | 8498 |
|
| 2 | had [vb pp] to | 6551 |
|
| 3 | had [vb pp] [adj] | 5272 |
|
| 4 | had to [adj] | 15 |
|
