| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adv] [adj] period | 175 |
|
| 2 | [prep] a [adv] [adj] period | 175 |
|
| 3 | for a [adv] [adj] period | 53 |
|
| 4 | for a [adv] [adj] period | 53 |
|
| 5 | [be] a [adv] [adj] period | 31 |
|
| 6 | be a [adv] [adj] period | 31 |
|
| 7 | over a [adv] [adj] period | 31 |
|
| 8 | over a [adv] [adj] period | 31 |
|
| 9 | in a [adv] [adj] period | 26 |
|
| 10 | in a [adv] [adj] period | 26 |
|
| 11 | [verb] a [adv] [adj] period | 22 |
|
| 12 | [adv] a [adv] [adj] period | 15 |
|
| 13 | [was/were] a [adv] [adj] period | 14 |
|
| 14 | within a [adv] [adj] period | 13 |
|
| 15 | within a [adv] [adj] period | 13 |
|
| 16 | was a [adv] [adj] period | 12 |
|
| 17 | [conj] a [adv] [adj] period | 10 |
|
| 18 | after a [adv] [adj] period | 9 |
|
| 19 | after a [adv] [adj] period | 9 |
|
| 20 | [adv] a [adv] [adj] period | 8 |
|
| 21 | to a [adv] [adj] period | 8 |
|
| 22 | to a [adv] [adj] period | 8 |
|
| 23 | of a [adv] [adj] period | 8 |
|
| 24 | of a [adv] [adj] period | 8 |
|
| 25 | over a [adv] [adj] period | 7 |
|
| 26 | [adv prt] a [adv] [adj] period | 7 |
|
| 27 | over a [adv] [adj] period | 7 |
|
| 28 | be a [adv] [adj] period | 6 |
|
| 29 | through a [adv] [adj] period | 6 |
|
| 30 | [coord] a [adv] [adj] period | 6 |
|
