| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] alert us [prep] the | 8 |
|
| 2 | [vb mod] alert us [prep] [art] | 8 |
|
| 3 | [vb mod] alert us [prep] [art] | 8 |
|
| 4 | [vb mod] alert us to [art] | 8 |
|
| 5 | [vb mod] alert us [prep] the | 8 |
|
| 6 | should alert us [prep] [art] | 7 |
|
