| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adv] long time | 199 |
|
| 2 | [vb pp] [prep] a long time | 189 |
|
| 3 | [vb pp] [prep] a [adv] long | 33 |
|
| 4 | [vb pp] a [adv] long time | 9 |
|
