| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [verb] on | 4757 |
|
| 2 | [modal v] be keep [prep] | 403 |
|
| 3 | [modal v] be keep [prep] | 403 |
|
| 4 | [modal v] be keep on | 38 |
|
| 5 | [modal v] [be] keep on | 38 |
|
| 6 | [modal v] be keep on | 38 |
|
| 7 | [modal v] [be] keep on | 38 |
|
