| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [adv] [adv] | 10676 |
|
| 2 | had [adv] [adv] | 3928 |
|
| 3 | had [to-vb] [adv] | 2623 |
|
| 4 | had [to-vb] [adv] | 954 |
|
