| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a few minutes at | 16 |
|
| 2 | a few days at | 15 |
|
| 3 | a few hours at | 13 |
|
| 4 | a few weeks at | 11 |
|
| 5 | a few years at | 9 |
|
| 6 | a few months at | 7 |
|
