| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] a [adj] period | 266 |
|
| 2 | [vb pp] during a [adj] [noun] | 89 |
|
| 3 | [vb pp] during a [adj] [noun sg] | 87 |
|
| 4 | [vb pp] during [art] [adj] period | 52 |
|
| 5 | [vb pp] during [art] [adj] period | 52 |
|
| 6 | [verb] during a [adj] period | 15 |
|
| 7 | [vb pp] during a [adj] period | 12 |
|
| 8 | [vb pp] during a [adj] period | 11 |
|
