| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a couple of [noun pl] ' sleep | 9 |
|
| 2 | a couple [prep] hours ' sleep | 9 |
|
| 3 | a couple [prep] [noun pl] ' sleep | 9 |
|
| 4 | a couple of [noun pl] ' sleep | 9 |
|
| 5 | a couple [prep] [noun pl] ' sleep | 9 |
|
