| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at a [noun] [prep] | 364 |
|
| 2 | be [vb pp] at a [noun sg] [prep] | 363 |
|
| 3 | be [vb pp] at [art] time [prep] | 172 |
|
| 4 | be [vb pp] at [art] time [prep] | 172 |
|
| 5 | be [vb pp] [prep] a time [prep] | 33 |
|
| 6 | be [vb pp] [prep] a time [prep] | 33 |
|
| 7 | be [verb] at a time [prep] | 18 |
|
| 8 | [be] [vb pp] at a time [prep] | 15 |
|
| 9 | be [vb pp] at a time [prep] | 15 |
|
| 10 | be [vb pp] at a time [prep] | 15 |
|
| 11 | be [vb pp] at a time [prep] | 15 |
|
| 12 | be [vb pp] at a time [prep] | 15 |
|
