| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [adv] [prep] a [noun] | 3564 |
|
| 2 | [be] [verb] [adv] [prep] a [noun sg] | 3339 |
|
| 3 | [be] [verb] [adv] [prep] [art] period | 42 |
|
| 4 | [be] [verb] [adv] [prep] [art] period | 42 |
|
| 5 | [be] [verb] [adv] [prep] a period | 30 |
|
| 6 | [be] [verb] [adv] [prep] a period | 30 |
|
| 7 | [be] [verb] [adv] [prep] a period | 30 |
|
