| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] over a long period | 12 |
|
| 2 | [verb] [vb pp] over a long period | 12 |
|
| 3 | has [vb pp] [prep] a long period | 6 |
|
| 4 | has [vb pp] [prep] a long period | 6 |
|
| 5 | has [vb pp] over a long period | 5 |
|
| 6 | has [verb] over a long period | 5 |
|
| 7 | has [vb pp] over a long period | 5 |
|
| 8 | has [vb pp] over a [adj] period | 5 |
|
| 9 | [vb -s] [vb pp] over a long period | 5 |
|
| 10 | has [vb pp] over [art] long period | 5 |
|
| 11 | has [vb pp] over a long [noun sg] | 5 |
|
| 12 | has [vb pp] over [art] long period | 5 |
|
| 13 | has [vb pp] over a [adj] period | 5 |
|
| 14 | has [vb pp] over a long [noun] | 5 |
|
| 15 | has [vb pp] over a long period | 5 |
|
| 16 | has [vb pp] over a long period | 5 |
|
