| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few months [prep] | 77 |
|
| 2 | [prep] a few [prep] [art] | 61 |
|
| 3 | a few months [prep] [art] | 47 |
|
| 4 | [prep] a few months [art] | 7 |
|
