| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a long time | 421 |
|
| 2 | [prep] a very long time | 170 |
|
| 3 | [verb] [prep] a very long | 54 |
|
| 4 | [verb] a very long time | 53 |
|
