| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [modal v] be | 57 |
|
| 2 | be could be | 24 |
|
| 3 | [be] could be | 24 |
|
| 4 | [is] could be | 14 |
|
| 5 | is could [be] | 7 |
|
| 6 | is could be | 7 |
|
| 7 | is could [be] | 7 |
|
