| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] a period in | 7 |
|
| 2 | [verb] [prep] a period in | 21 |
|
| 3 | [verb] [prep] a period in | 21 |
|
| 4 | [verb] a [adj] period in | 16 |
|
| 5 | [verb] a [adj] period in | 15 |
|
| 6 | [verb] a [noun sg] period in | 5 |
|
| 7 | [verb] a [noun] period in | 5 |
|
| 8 | [verb] a period in [noun] | 8 |
|
| 9 | [verb] a period in which | 6 |
|
| 10 | [verb] a period in [pron] | 6 |
|
| 11 | [verb] a period in which | 6 |
|
| 12 | [verb] a period in [noun sg] | 6 |
|
| 13 | [verb] a period in [Wh det] | 6 |
|
