| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] an [adv] [adj] period | 18 |
|
| 2 | [prep] an [adv] [adj] period | 18 |
|
| 3 | [prep] an [adj] [adj] period | 12 |
|
| 4 | [prep] an [adj] [adj] period | 12 |
|
| 5 | [noun] [prep] an [adj] period | 102 |
|
| 6 | [noun sg] [prep] an [adj] period | 64 |
|
| 7 | [verb] [prep] an [adj] period | 40 |
|
| 8 | [noun pl] [prep] an [adj] period | 29 |
|
| 9 | [vb pp] [prep] an [adj] period | 22 |
|
| 10 | [adv] [prep] an [adj] period | 11 |
|
| 11 | [adj] [prep] an [adj] period | 9 |
|
| 12 | [conj] [prep] an [adj] period | 9 |
|
| 13 | [be] [prep] an [adj] period | 7 |
|
| 14 | be [prep] an [adj] period | 7 |
|
| 15 | [adv] [prep] an [adj] period | 7 |
|
| 16 | [adj] [prep] an [adj] period | 6 |
|
| 17 | [noun prp] [prep] an [adj] period | 6 |
|
| 18 | is [prep] an [adj] period | 5 |
|
| 19 | [pron] [prep] an [adj] period | 5 |
|
| 20 | [is] [prep] an [adj] period | 5 |
|
| 21 | [to-vb] [prep] an [adj] period | 5 |
|
| 22 | [vb past] [prep] an [adj] period | 5 |
|
| 23 | [prep] an [adj] [noun] period | 20 |
|
| 24 | [prep] an [adj] [noun sg] period | 20 |
|
| 25 | [prep] an [adj] [adj] period | 12 |
|
| 26 | [prep] an [adj] [adj] period | 12 |
|
| 27 | [prep] an [adj] period [prep] | 98 |
|
| 28 | [prep] an [adj] period [prep] | 98 |
|
| 29 | [prep] an [adj] period of | 74 |
|
| 30 | [prep] an [adj] period of | 74 |
|
