| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long time | 1752 |
|
| 2 | [adv] a long time | 217 |
|
| 3 | [prep] [adv] a long | 83 |
|
| 4 | [prep] [adv] a time | 10 |
|
