| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] [noun] at a time | 6 |
|
| 2 | [modal v] [vb infin] [noun] at a time | 6 |
|
| 3 | [vb infin] [adj] [noun] at a time | 24 |
|
| 4 | [vb infin] [num] [noun] at a time | 21 |
|
| 5 | [vb infin] one [noun] at a time | 14 |
|
| 6 | [vb infin] one [noun] at a time | 14 |
|
| 7 | [vb infin] [art] [noun] at a time | 5 |
|
| 8 | [vb infin] [art] [noun] at a time | 5 |
|
| 9 | [vb infin] [noun] at a time [Wh adv] | 5 |
|
| 10 | [vb infin] [noun] at a time when | 5 |
|
| 11 | [vb infin] [noun] at a time [adv] | 5 |
|
| 12 | [vb infin] [noun] at a time when | 5 |
|
