| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pron] one [prep] a time | 5 |
|
| 2 | [vb base] [pron] [indef pn] at a time | 5 |
|
| 3 | [vb base] [pron] [indef pn] at a time | 5 |
|
| 4 | [vb base] [pron] [indef pn] [prep] a time | 5 |
|
