| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [be] [verb] at [art] [noun] | 184 |
|
| 2 | [conj] [be] [verb] at [art] [noun sg] | 156 |
|
| 3 | [conj] [be] [verb] [prep] [art] time | 25 |
|
| 4 | [conj] [be] [verb] at [art] time | 21 |
|
