| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] period [prep] [noun sg] | 409 |
|
| 2 | [prep] a [adj] period [prep] [noun sg] | 409 |
|
| 3 | for a [adj] period [prep] [noun sg] | 135 |
|
| 4 | for a [adj] period [prep] [noun sg] | 135 |
|
| 5 | over a [adj] period [prep] [noun sg] | 129 |
|
| 6 | over a [adj] period [prep] [noun sg] | 129 |
|
| 7 | [verb] a [adj] period [prep] [noun sg] | 91 |
|
| 8 | after a [adj] period [prep] [noun sg] | 46 |
|
| 9 | after a [adj] period [prep] [noun sg] | 46 |
|
| 10 | [adv] a [adj] period [prep] [noun sg] | 33 |
|
| 11 | [conj] a [adj] period [prep] [noun sg] | 24 |
|
| 12 | [vb past] a [adj] period [prep] [noun sg] | 22 |
|
| 13 | in a [adj] period [prep] [noun sg] | 20 |
|
| 14 | in a [adj] period [prep] [noun sg] | 20 |
|
| 15 | within a [adj] period [prep] [noun sg] | 20 |
|
| 16 | within a [adj] period [prep] [noun sg] | 20 |
|
| 17 | be a [adj] period [prep] [noun sg] | 20 |
|
| 18 | [be] a [adj] period [prep] [noun sg] | 20 |
|
| 19 | over a [adj] period [prep] [noun sg] | 17 |
|
| 20 | [adv prt] a [adj] period [prep] [noun sg] | 17 |
|
| 21 | [v-ing] a [adj] period [prep] [noun sg] | 17 |
|
| 22 | over a [adj] period [prep] [noun sg] | 17 |
|
| 23 | [adv] a [adj] period [prep] [noun sg] | 15 |
|
| 24 | [vb base] a [adj] period [prep] [noun sg] | 14 |
|
| 25 | of a [adj] period [prep] [noun sg] | 13 |
|
| 26 | of a [adj] period [prep] [noun sg] | 13 |
|
| 27 | during a [adj] period [prep] [noun sg] | 12 |
|
| 28 | during a [adj] period [prep] [noun sg] | 12 |
|
| 29 | [adj] a [adj] period [prep] [noun sg] | 11 |
|
| 30 | [vb -s] a [adj] period [prep] [noun sg] | 10 |
|
