| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a few years [prep] [art] | 49 |
|
| 2 | for a few years [prep] | 30 |
|
| 3 | for a few years [art] | 6 |
|
| 4 | for a few [prep] [art] | 5 |
|
