| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [vb pp] within a [noun] | 20 |
|
| 2 | [prep] be [vb pp] within a [noun sg] | 19 |
|
| 3 | [prep] be [vb pp] [prep] a period | 17 |
|
| 4 | [prep] be [vb pp] [prep] a period | 17 |
|
| 5 | [prep] be [vb pp] within a period | 5 |
|
| 6 | [prep] be [vb pp] within [art] period | 5 |
|
| 7 | [prep] [be] [vb pp] within a period | 5 |
|
| 8 | [prep] be [vb pp] within a period | 5 |
|
| 9 | [prep] [be] [vb pp] within a period | 5 |
|
| 10 | [prep] be [vb pp] within a period | 5 |
|
| 11 | [prep] be [vb pp] within a period | 5 |
|
| 12 | [prep] be [verb] within a period | 5 |
|
| 13 | [prep] be [vb pp] within a period | 5 |
|
| 14 | [prep] be [vb pp] within [art] period | 5 |
|
