| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [vb pp] [prep] | 44871 |
|
| 2 | [vb pp] be [prep] | 715 |
|
| 3 | [am/are] [vb pp] be | 366 |
|
| 4 | [am/are] be [prep] | 20 |
|
