| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [num] | 42284 |
|
| 2 | had [vb pp] [prep] | 31195 |
|
| 3 | had [vb pp] [num] | 2239 |
|
| 4 | had [prep] [num] | 220 |
|
