| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [verb] at [art] time | 55 |
|
| 2 | [to-vb] [be] [verb] at [art] [noun] | 31 |
|
| 3 | [to-vb] [be] [verb] [prep] [art] time | 18 |
|
| 4 | [to-vb] [be] [verb] [prep] [art] time | 18 |
|
| 5 | [to-vb] [be] [verb] at [art] time | 12 |
|
