| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] be | 24572 |
|
| 2 | [modal v] [verb] in | 12732 |
|
| 3 | [verb] be in | 4894 |
|
| 4 | [modal v] be in | 4201 |
|
