| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | them [pron] at a time | 13 |
|
| 2 | them one at [art] time | 13 |
|
| 3 | them [indef pn] at [art] time | 13 |
|
| 4 | them one at [art] time | 13 |
|
