| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they had [vb pp] [to-vb] | 399 |
|
| 2 | they had [vb pp] at | 92 |
|
| 3 | had [vb pp] [to-vb] at | 90 |
|
| 4 | they had [to-vb] at | 12 |
|
