| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to be | 91833 |
|
| 2 | [modal v] [verb] to | 25696 |
|
| 3 | [modal v] [verb] be | 24572 |
|
| 4 | [modal v] to be | 4613 |
|
