| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adv] long time | 199 |
|
| 2 | [vb past] [prep] a long time | 93 |
|
| 3 | [vb past] a [adv] long time | 22 |
|
| 4 | [vb past] [prep] a [adv] long | 13 |
|
