| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [be] [verb] to | 1338 |
|
| 2 | attention [modal v] [be] [verb] to | 151 |
|
| 3 | attention [modal v] [adv] [be] [verb] | 28 |
|
