| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [be] [verb] at a [noun] | 91 |
|
| 2 | to [be] [verb] at a [noun sg] | 87 |
|
| 3 | to [be] [verb] at [art] time | 24 |
|
| 4 | to [be] [verb] [prep] a time | 11 |
|
| 5 | to [be] [verb] [prep] a time | 11 |
|
| 6 | to [be] [verb] at a time | 6 |
|
| 7 | to [be] [verb] at a time | 5 |
|
| 8 | [prep] [be] [verb] at a time | 5 |
|
| 9 | [prep] [be] [verb] at a time | 5 |
|
| 10 | to [be] [verb] at a time | 5 |
|
| 11 | to [be] [verb] at a time | 5 |
|
