| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [vb pp] [prep] a [noun] | 1180 |
|
| 2 | [adv] be [vb pp] [prep] a [noun sg] | 1124 |
|
| 3 | [adv] be [vb pp] [prep] [art] period | 17 |
|
| 4 | [adv] be [vb pp] [prep] [art] period | 17 |
|
| 5 | [adv] [be] [vb pp] [prep] a period | 15 |
|
| 6 | [adv] be [vb pp] [prep] a period | 15 |
|
| 7 | [adv] be [vb pp] [prep] a period | 11 |
|
| 8 | [adv] be [verb] [prep] a period | 11 |
|
| 9 | [adv] be [vb pp] [prep] a period | 11 |
|
| 10 | [adv] [be] [vb pp] [prep] a period | 11 |
|
| 11 | [adv] be [vb pp] [prep] a period | 11 |
|
