| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] be [vb pp] whether | 9 |
|
| 2 | [vb past] to be [vb pp] whether | 9 |
|
| 3 | [vb past] [prep] be [vb pp] whether | 9 |
|
| 4 | [vb past] [prep] be seen whether | 6 |
|
| 5 | remained [prep] be [vb pp] whether | 6 |
|
