| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long period [prep] | 162 |
|
| 2 | [prep] a long period [prep] | 162 |
|
| 3 | [prep] a long period of | 140 |
|
| 4 | [prep] a long period of | 140 |
|
| 5 | [prep] a long period [conj] | 13 |
|
| 6 | [prep] a long period and | 11 |
|
| 7 | [prep] a long period [coord] | 11 |
|
| 8 | [prep] a long period and | 11 |
|
| 9 | [prep] a long period [verb] | 9 |
|
| 10 | [prep] a long period [adv] | 8 |
|
| 11 | [prep] a long period [adv] | 8 |
|
| 12 | [noun] [prep] a long period | 137 |
|
| 13 | [noun sg] [prep] a long period | 102 |
|
| 14 | [verb] [prep] a long period | 72 |
|
| 15 | [vb pp] [prep] a long period | 53 |
|
| 16 | [adv] [prep] a long period | 29 |
|
| 17 | [noun pl] [prep] a long period | 29 |
|
| 18 | [adv] [prep] a long period | 21 |
|
| 19 | [adj] [prep] a long period | 13 |
|
| 20 | [conj] [prep] a long period | 12 |
|
| 21 | [adj] [prep] a long period | 11 |
|
| 22 | [coord] [prep] a long period | 9 |
|
| 23 | [adv prt] [prep] a long period | 8 |
|
| 24 | [pron] [prep] a long period | 7 |
|
| 25 | [pers pn] [prep] a long period | 5 |
|
| 26 | developed [prep] a long period | 5 |
|
| 27 | develop [prep] a long period | 5 |
|
| 28 | and [prep] a long period | 5 |
|
| 29 | [to-vb] [prep] a long period | 5 |
|
| 30 | and [prep] a long period | 5 |
|
