| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [modal v] be [vb pp] | 1411 |
|
| 2 | if [pron] [modal v] be [vb pp] | 456 |
|
| 3 | [prep] if [pron] [modal v] be | 136 |
|
