| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] [adv] a period [prep] | 11 |
|
| 2 | [noun sg] [vb past] [adv] a period [prep] | 9 |
|
| 3 | [vb past] [adv] [prep] a period [prep] | 8 |
|
| 4 | [vb past] [adv] [prep] a period [prep] | 8 |
|
| 5 | [vb past] [adv] a [adj] period [prep] | 5 |
|
| 6 | [vb past] [adv] a [adj] period [prep] | 5 |
|
| 7 | [vb past] [adv] a period [prep] [noun] | 12 |
|
| 8 | [vb past] [adv] a period [prep] [noun sg] | 9 |
|
| 9 | [vb past] [adv] a period [prep] time | 7 |
|
| 10 | [vb past] [adv] a period [prep] [adj] | 7 |
|
| 11 | [vb past] [adv] a period [prep] time | 7 |
|
| 12 | [vb past] [adv] a period [prep] [num] | 6 |
|
