| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] a long time | 189 |
|
| 2 | [prep] a very long time | 170 |
|
| 3 | [vb pp] [prep] a very long | 27 |
|
| 4 | [vb pp] a very long time | 6 |
|
