| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a very [adj] period [prep] | 5 |
|
| 2 | [adv] a [adv] [adj] period [prep] | 5 |
|
| 3 | [adv] a very [adj] period [prep] | 5 |
|
| 4 | [adv] a [adv] [adj] period [prep] | 5 |
|
| 5 | [verb] [adv] a [adj] period [prep] | 22 |
|
| 6 | [prep] [adv] a [adj] period [prep] | 12 |
|
| 7 | [prep] [adv] a [adj] period [prep] | 12 |
|
| 8 | for [adv] a [adj] period [prep] | 9 |
|
| 9 | for [adv] a [adj] period [prep] | 9 |
|
| 10 | [be] [adv] a [adj] period [prep] | 7 |
|
| 11 | be [adv] a [adj] period [prep] | 7 |
|
| 12 | [vb past] [adv] a [adj] period [prep] | 5 |
|
| 13 | [adv] [prep] a [adj] period [prep] | 76 |
|
| 14 | [adv] [prep] a [adj] period [prep] | 76 |
|
| 15 | [adv] for a [adj] period [prep] | 30 |
|
| 16 | [adv] for a [adj] period [prep] | 30 |
|
| 17 | [adv] [verb] a [adj] period [prep] | 24 |
|
| 18 | [adv] over a [adj] period [prep] | 18 |
|
| 19 | [adv] over a [adj] period [prep] | 18 |
|
| 20 | [adv] [vb past] a [adj] period [prep] | 9 |
|
| 21 | [adv] after a [adj] period [prep] | 8 |
|
| 22 | [adv] after a [adj] period [prep] | 8 |
|
| 23 | [adv] from a [adj] period [prep] | 6 |
|
| 24 | [adv] from a [adj] period [prep] | 6 |
|
| 25 | [adv] [conj] a [adj] period [prep] | 5 |
|
| 26 | [adv] [vb infin] a [adj] period [prep] | 5 |
|
| 27 | [adv] a [adj] [noun sg] period [prep] | 7 |
|
| 28 | [adv] a [adj] [noun] period [prep] | 7 |
|
| 29 | [adv] a [adj] period [prep] [noun] | 37 |
|
| 30 | [adv] a [adj] period [prep] [noun sg] | 33 |
|
