| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [vb pp] at a time | 16 |
|
| 2 | [modal v] be [vb pp] at a time | 16 |
|
| 3 | can be [vb pp] at a time | 8 |
|
| 4 | can be [vb pp] at a time | 8 |
|
| 5 | [prep] be [vb pp] at a time | 5 |
|
| 6 | [prep] be [vb pp] at a time | 5 |
|
| 7 | to be [vb pp] at a time | 5 |
|
| 8 | to be [vb pp] at a time | 5 |
|
| 9 | be [vb pp] one at a time | 10 |
|
| 10 | be [vb pp] one at a time | 10 |
|
| 11 | be [vb pp] [pron] at a time | 10 |
|
| 12 | be [vb pp] [indef pn] at a time | 10 |
|
| 13 | be [vb pp] at a [adj] time | 9 |
|
| 14 | be [vb pp] at a [adj] time | 9 |
|
| 15 | be [vb pp] at a time when | 8 |
|
| 16 | be [vb pp] at a time [adv] | 8 |
|
| 17 | be [vb pp] at a time [Wh adv] | 8 |
|
| 18 | be [vb pp] at a time when | 8 |
|
