| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] a | 51401 |
|
| 2 | be [vb pp] [prep] time | 378 |
|
| 3 | [vb pp] [prep] a time | 233 |
|
| 4 | be [prep] a time | 61 |
|
| 5 | be [vb pp] a time | 9 |
|
