| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a very long time | 170 |
|
| 2 | [prep] a very long time | 170 |
|
| 3 | [prep] a very long time | 170 |
|
| 4 | for a very long time | 160 |
|
| 5 | for a very long time | 160 |
|
