| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [vb pp] [prep] [art] usa | 11 |
|
| 2 | [prep] be [vb pp] [prep] [art] usa | 11 |
|
| 3 | to be [vb pp] [prep] [art] usa | 11 |
|
| 4 | [prep] be [vb pp] [prep] [art] usa | 11 |
|
| 5 | [vb mod] be [vb pp] [prep] [art] usa | 6 |
|
| 6 | [modal v] be [vb pp] [prep] [art] usa | 6 |
|
