| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] period [prep] [noun] | 430 |
|
| 2 | [prep] a [adj] period [prep] [noun] | 430 |
|
| 3 | for a [adj] period [prep] [noun] | 144 |
|
| 4 | for a [adj] period [prep] [noun] | 144 |
|
| 5 | over a [adj] period [prep] [noun] | 134 |
|
| 6 | over a [adj] period [prep] [noun] | 134 |
|
| 7 | [verb] a [adj] period [prep] [noun] | 79 |
|
| 8 | after a [adj] period [prep] [noun] | 49 |
|
| 9 | after a [adj] period [prep] [noun] | 49 |
|
| 10 | [adv] a [adj] period [prep] [noun] | 37 |
|
| 11 | [be] a [adj] period [prep] [noun] | 25 |
|
| 12 | be a [adj] period [prep] [noun] | 25 |
|
| 13 | [vb past] a [adj] period [prep] [noun] | 23 |
|
| 14 | [conj] a [adj] period [prep] [noun] | 22 |
|
| 15 | within a [adj] period [prep] [noun] | 21 |
|
| 16 | within a [adj] period [prep] [noun] | 21 |
|
| 17 | in a [adj] period [prep] [noun] | 19 |
|
| 18 | in a [adj] period [prep] [noun] | 19 |
|
| 19 | [adv prt] a [adj] period [prep] [noun] | 19 |
|
| 20 | over a [adj] period [prep] [noun] | 19 |
|
| 21 | over a [adj] period [prep] [noun] | 19 |
|
| 22 | [adv] a [adj] period [prep] [noun] | 17 |
|
| 23 | [v-ing] a [adj] period [prep] [noun] | 14 |
|
| 24 | of a [adj] period [prep] [noun] | 12 |
|
| 25 | of a [adj] period [prep] [noun] | 12 |
|
| 26 | [vb base] a [adj] period [prep] [noun] | 12 |
|
| 27 | [adj] a [adj] period [prep] [noun] | 11 |
|
| 28 | during a [adj] period [prep] [noun] | 11 |
|
| 29 | during a [adj] period [prep] [noun] | 11 |
|
| 30 | follow a [adj] period [prep] [noun] | 10 |
|
