| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [vb pp] [prep] the usa | 6 |
|
| 2 | [vb mod] be [vb pp] [prep] the usa | 6 |
|
| 3 | [vb mod] be [vb pp] [prep] [art] usa | 6 |
|
