| No | Pattern | Freq | Relations |
|---|---|---|---|
| 31 | [prep] a very long period | 8 |
|
| 32 | [prep] a long [noun] period | 10 |
|
| 33 | [prep] a long [noun sg] period | 10 |
|
| 34 | [prep] a long period [prep] | 162 |
|
| 35 | [prep] a long period [prep] | 162 |
|
| 36 | [prep] a long period of | 140 |
|
| 37 | [prep] a long period of | 140 |
|
| 38 | [prep] a long period [conj] | 13 |
|
| 39 | [prep] a long period and | 11 |
|
| 40 | [prep] a long period [coord] | 11 |
|
| 41 | [prep] a long period and | 11 |
|
| 42 | [prep] a long period [verb] | 9 |
|
| 43 | [prep] a long period [adv] | 8 |
|
| 44 | [prep] a long period [adv] | 8 |
|
