| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [verb] [prep] a | 4738 |
|
| 2 | [be] [verb] [prep] a time | 171 |
|
| 3 | [prep] [be] [verb] [prep] time | 49 |
|
| 4 | [prep] [verb] [prep] a time | 12 |
|
