| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [vb pp] [prep] the usa | 11 |
|
| 2 | to be [vb pp] [prep] the usa | 11 |
|
| 3 | to be [vb pp] [prep] [art] usa | 11 |
|
| 4 | to be [vb pp] in [art] usa | 5 |
|
