| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at a time | 94 |
|
| 2 | [be] [vb pp] at a time | 94 |
|
| 3 | been [vb pp] at a [noun] | 74 |
|
| 4 | been [vb pp] at a [noun sg] | 69 |
|
| 5 | been [vb pp] at [art] time | 65 |
|
| 6 | been [vb pp] [prep] a time | 8 |
|
| 7 | been [vb pp] [prep] a time | 8 |
|
| 8 | been [verb] at a time | 7 |
|
| 9 | been [vb pp] at a time | 5 |
|
| 10 | [been] [vb pp] at a time | 5 |
|
| 11 | been [vb pp] at a time | 5 |
|
