| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] on a | 4098 |
|
| 2 | should [be] [verb] on | 665 |
|
| 3 | should [be] [verb] a | 180 |
|
| 4 | should [verb] on a | 35 |
|
| 5 | should [be] on a | 23 |
|
