| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] [adv] to | 2905 |
|
| 2 | had [verb] [adv] to | 1203 |
|
| 3 | had [to-vb] [adv] [prep] | 769 |
|
| 4 | [vb past] [to-vb] [adv] to | 746 |
|
| 5 | have [to-vb] [adv] to | 577 |
|
