| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [to-vb] [pron] | 3080 |
|
| 2 | [to-vb] [pron] at | 1279 |
|
| 3 | had [to-vb] at | 171 |
|
| 4 | had [pron] at | 71 |
|
