| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at a time | 94 |
|
| 2 | [be] [vb pp] at a time | 94 |
|
| 3 | [was/were] [vb pp] at a time | 42 |
|
| 4 | was [vb pp] at a time | 28 |
|
| 5 | be [vb pp] at a time | 24 |
|
| 6 | [be] [vb pp] at a time | 24 |
|
| 7 | [verb] [vb pp] at a time | 20 |
|
| 8 | have [vb pp] at a time | 17 |
|
| 9 | is [vb pp] at a time | 14 |
|
| 10 | were [vb pp] at a time | 14 |
|
| 11 | [is] [vb pp] at a time | 14 |
|
| 12 | [noun] [vb pp] at a time | 12 |
|
| 13 | [adv] [vb pp] at a time | 9 |
|
| 14 | [adv] [vb pp] at a time | 9 |
|
| 15 | [noun sg] [vb pp] at a time | 8 |
|
| 16 | [vb -s] [vb pp] at a time | 7 |
|
| 17 | has [vb pp] at a time | 6 |
|
| 18 | been [vb pp] at a time | 5 |
|
| 19 | [conj] [vb pp] at a time | 5 |
|
| 20 | [being] [vb pp] at a time | 5 |
|
| 21 | being [vb pp] at a time | 5 |
|
| 22 | had [vb pp] at a time | 5 |
|
| 23 | [coord] [vb pp] at a time | 5 |
|
| 24 | [vb past] [vb pp] at a time | 5 |
|
| 25 | [been] [vb pp] at a time | 5 |
|
| 26 | [vb pp] [pron] at a time | 23 |
|
| 27 | [vb pp] [indef pn] at a time | 21 |
|
| 28 | [vb pp] one at a time | 21 |
|
| 29 | [vb pp] one at a time | 21 |
|
| 30 | [vb pp] [adv] at a time | 11 |
|
