| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a long period [prep] | 71 |
|
| 2 | [noun sg] [prep] a long period [prep] | 58 |
|
| 3 | [verb] [prep] a long period [prep] | 38 |
|
| 4 | [vb pp] [prep] a long period [prep] | 28 |
|
| 5 | [adv] [prep] a long period [prep] | 16 |
|
| 6 | [adv] [prep] a long period [prep] | 13 |
|
| 7 | [noun pl] [prep] a long period [prep] | 11 |
|
| 8 | [pron] [prep] a long period [prep] | 5 |
|
| 9 | [conj] [prep] a long period [prep] | 5 |
|
| 10 | [prep] a [adv] long period [prep] | 8 |
|
| 11 | [prep] a [adv] long period [prep] | 8 |
|
| 12 | [prep] a long period [prep] [noun] | 122 |
|
| 13 | [prep] a long period [prep] [noun sg] | 117 |
|
| 14 | [prep] a long period [prep] time | 88 |
|
| 15 | [prep] a long period [prep] time | 88 |
|
| 16 | [prep] a long period [prep] [adj] | 19 |
|
| 17 | [prep] a long period [prep] [adj] | 17 |
|
| 18 | [prep] a long period [prep] [art] | 10 |
|
| 19 | [prep] a long period [prep] [art] | 10 |
|
| 20 | [prep] a long period [prep] the | 6 |
|
| 21 | [prep] a long period [prep] the | 6 |
|
