| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] been [verb] [verb] | 489 |
|
| 2 | [modal v] [verb] [be] use [verb] | 41 |
|
| 3 | [modal v] [verb] be use [verb] | 41 |
|
| 4 | [modal v] [verb] [been] use [verb] | 41 |
|
