| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [verb] on | 4757 |
|
| 2 | [be] [verb] on a | 4098 |
|
| 3 | [modal v] [be] [verb] a | 1920 |
|
| 4 | [modal v] [verb] on a | 523 |
|
| 5 | [modal v] [be] on a | 138 |
|
