| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] a [adj] | 3524 |
|
| 2 | [vb pp] a [adj] period | 25 |
|
| 3 | had [vb pp] a period | 9 |
|
| 4 | had a [adj] period | 6 |
|
