| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] at a [noun] | 261 |
|
| 2 | be [verb] at a time | 107 |
|
| 3 | [be] [verb] at a time | 107 |
|
| 4 | be [verb] at [art] time | 89 |
|
| 5 | be [verb] at [art] time | 89 |
|
| 6 | be [verb] [prep] a time | 42 |
|
| 7 | be [verb] at a time | 24 |
|
| 8 | [be] [verb] at a time | 24 |
|
