| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] to [be] | 4612 |
|
| 2 | [modal v] [be] an | 2800 |
|
| 3 | to [be] an | 2123 |
|
| 4 | [modal v] to an | 5 |
|
