| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [vb mod] [be] a | 3553 |
|
| 2 | [vb base] there [be] a | 754 |
|
| 3 | [vb base] there [vb mod] [be] | 311 |
|
| 4 | [vb base] [vb mod] [be] a | 56 |
|
