| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] period [verb] [prep] | 31 |
|
| 2 | a [adj] period [conj] [prep] | 25 |
|
| 3 | a [adj] period [prep] [prep] | 19 |
|
| 4 | a [adj] period [prep] [prep] | 19 |
|
| 5 | a [adj] period [coord] [prep] | 18 |
|
| 6 | a [adj] period of [prep] | 16 |
|
| 7 | a [adj] period of [prep] | 16 |
|
| 8 | a [adj] period [v-ing] [prep] | 14 |
|
| 9 | a [adj] period [adv] [prep] | 14 |
|
| 10 | a [adj] period and [prep] | 11 |
|
| 11 | a [adj] period and [prep] | 11 |
|
| 12 | a [adj] period [vb pp] [prep] | 10 |
|
| 13 | a [adj] period [adv] [prep] | 7 |
|
| 14 | a [adj] period [adv prt] [prep] | 7 |
|
| 15 | a [adj] period [subord] [prep] | 7 |
|
| 16 | a [adj] period or [prep] | 6 |
|
| 17 | a [adj] period or [prep] | 6 |
|
| 18 | a [adj] period up [prep] | 6 |
|
| 19 | a [adj] period [adj] [prep] | 6 |
|
| 20 | a [adj] period up [prep] | 6 |
|
| 21 | [prep] a [adj] period [prep] | 871 |
|
| 22 | [prep] a [adj] period [prep] | 871 |
|
| 23 | for a [adj] period [prep] | 320 |
|
| 24 | for a [adj] period [prep] | 320 |
|
| 25 | [verb] a [adj] period [prep] | 198 |
|
| 26 | over a [adj] period [prep] | 183 |
|
| 27 | over a [adj] period [prep] | 183 |
|
| 28 | after a [adj] period [prep] | 87 |
|
| 29 | after a [adj] period [prep] | 87 |
|
| 30 | [be] a [adj] period [prep] | 75 |
|
