| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] over [art] [adj] period | 48 |
|
| 2 | be [verb] over [art] [adj] period | 48 |
|
| 3 | [be] [verb] over a [adj] period | 42 |
|
| 4 | [be] [verb] over [art] long period | 14 |
|
| 5 | be [verb] over [art] [adj] period | 13 |
|
| 6 | [be] [verb] over [art] [adj] period | 13 |
|
| 7 | [was/were] [verb] over [art] [adj] period | 10 |
|
| 8 | are [verb] over [art] [adj] period | 8 |
|
| 9 | [been] [verb] over [art] [adj] period | 8 |
|
| 10 | [am/are] [verb] over [art] [adj] period | 8 |
|
| 11 | is [verb] over [art] [adj] period | 8 |
|
| 12 | been [verb] over [art] [adj] period | 8 |
|
| 13 | [is] [verb] over [art] [adj] period | 8 |
|
| 14 | was [verb] over [art] [adj] period | 6 |
|
| 15 | [be] [verb] over the [adj] period | 5 |
|
| 16 | [be] [verb] over [art] three-year period | 5 |
|
