| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] for [art] [adj] period | 74 |
|
| 2 | be [vb pp] for a [adj] period | 67 |
|
| 3 | be [vb pp] for [art] [adj] period | 66 |
|
| 4 | be [vb pp] for a [adj] period | 57 |
|
| 5 | be [vb pp] for [art] [adj] period | 33 |
|
| 6 | been [vb pp] for [art] [adj] period | 12 |
|
| 7 | was [vb pp] for [art] [adj] period | 10 |
|
| 8 | be [vb pp] for an [adj] period | 10 |
|
| 9 | be [vb pp] for [art] long period | 9 |
|
| 10 | are [vb pp] for [art] [adj] period | 9 |
|
| 11 | be [vb pp] for [art] short period | 8 |
|
| 12 | is [vb pp] for [art] [adj] period | 8 |
|
| 13 | be [vb pp] for [art] [adj -er] period | 7 |
|
| 14 | be [vb pp] for the [adj] period | 7 |
|
| 15 | be [vb pp] for [art] short period | 7 |
|
| 16 | be [vb pp] for the [adj] period | 7 |
|
| 17 | be [vb pp] for [art] limited period | 7 |
|
| 18 | be [vb pp] for [art] limited period | 7 |
|
| 19 | be [vb pp] for [art] long period | 5 |
|
