| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [adj] [noun pl] at a time | 9 |
|
| 2 | [vb infin] [adj] [noun pl] at [art] time | 9 |
|
| 3 | [vb infin] [adj] [noun pl] at a time | 9 |
|
| 4 | [vb infin] [num] [noun pl] at [art] time | 6 |
|
