| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long time | 1752 |
|
| 2 | [vb pp] [prep] a long | 518 |
|
| 3 | [vb pp] [prep] a time | 233 |
|
| 4 | [vb pp] a long time | 116 |
|
