| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] [prep] a [adj] | 882 |
|
| 2 | [vb pp] [prep] a [adj] period | 266 |
|
| 3 | had [vb pp] a [adj] period | 7 |
|
| 4 | had [vb pp] [prep] [adj] period | 5 |
|
