| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] over a long period | 12 |
|
| 2 | [verb] [verb] over a long period | 12 |
|
| 3 | [verb] [adv] over a long period | 11 |
|
| 4 | [verb] [noun] over a long period | 9 |
|
| 5 | [verb] [adv] over a long period | 7 |
|
| 6 | [verb] [noun sg] over a long period | 7 |
|
| 7 | [be] [verb] over a long period | 22 |
|
| 8 | be [verb] over a long period | 22 |
|
| 9 | have [verb] over a long period | 12 |
|
| 10 | [verb] [verb] over a long period | 12 |
|
| 11 | be [verb] over a long period | 10 |
|
| 12 | [be] [verb] over a long period | 10 |
|
| 13 | been [verb] over a long period | 5 |
|
| 14 | [been] [verb] over a long period | 5 |
|
| 15 | has [verb] over a long period | 5 |
|
| 16 | [noun] [verb] over a long period | 5 |
|
| 17 | [vb -s] [verb] over a long period | 5 |
|
| 18 | [verb] over a long period [prep] | 17 |
|
| 19 | [verb] over a long period [prep] | 17 |
|
| 20 | [verb] over a long period of | 15 |
|
| 21 | [verb] over a long period of | 15 |
|
| 22 | [verb] over a long period [coord] | 6 |
|
| 23 | [verb] over a long period and | 6 |
|
| 24 | [verb] over a long period [conj] | 6 |
|
| 25 | [verb] over a long period and | 6 |
|
