| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] during the [noun] | 677 |
|
| 2 | be [vb pp] [prep] the period | 105 |
|
| 3 | be [vb pp] during [art] period | 40 |
|
| 4 | be [vb pp] during [art] period | 40 |
|
| 5 | be [verb] during the period | 37 |
|
| 6 | [be] [vb pp] during the period | 35 |
|
| 7 | be [vb pp] during the period | 35 |
|
