| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] | 477770 |
|
| 2 | do be [vb pp] | 252 |
|
| 3 | do be [prep] | 165 |
|
| 4 | do [vb pp] [prep] | 12 |
|
