| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | couple of [noun pl] while [pron] | 10 |
|
| 2 | couple of [noun] while [pers pn] | 10 |
|
| 3 | couple of [noun] while i | 5 |
|
| 4 | couple of [noun] while i | 5 |
|
