| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [vb mod] to be a | 170 |
|
| 2 | there need to be a | 52 |
|
| 3 | there [vb mod] need to be | 45 |
|
| 4 | [vb mod] need to be a | 34 |
|
