| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] over a [adj] [noun sg] | 14 |
|
| 2 | been [vb pp] over a [adj] period | 8 |
|
| 3 | been [vb pp] over a long [noun sg] | 5 |
|
| 4 | been [vb pp] over a long [noun sg] | 5 |
|
