| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a couple [prep] weeks ' | 5 |
|
| 2 | [prep] a couple [prep] weeks ' | 5 |
|
| 3 | a couple [prep] weeks ' [noun] | 7 |
|
| 4 | a couple [prep] weeks ' [noun sg] | 7 |
|
