| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | couple of hours [conj] [pers pn] | 13 |
|
| 2 | couple [prep] hours [conj] [pers pn] | 13 |
|
| 3 | couple [prep] hours [subord] [pers pn] | 12 |
|
