| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [be] at a [noun] | 218 |
|
| 2 | [pers pn] [be] at [art] time | 51 |
|
| 3 | [pers pn] [be] [prep] a time | 16 |
|
| 4 | [pron] [be] at a time | 7 |
|
