| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at a time [Wh adv] | 58 |
|
| 2 | [be] [verb] at [art] time [Wh adv] | 12 |
|
| 3 | [be] [verb] [prep] a time [Wh adv] | 10 |
|
| 4 | [be] [verb] [prep] a time [Wh adv] | 10 |
|
| 5 | [be] [verb] at a time [adv] | 8 |
|
| 6 | [be] [verb] at a time [Wh adv] | 8 |
|
| 7 | [be] [verb] at a [noun] [Wh adv] | 8 |
|
| 8 | [be] [verb] at a [noun sg] [Wh adv] | 8 |
|
| 9 | [be] [verb] at a time [Wh adv] | 8 |
|
