| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a long time [prep] | 331 |
|
| 2 | [adv] a long time | 216 |
|
| 3 | [adv] a time [prep] | 54 |
|
| 4 | [adv] long time [prep] | 37 |
|
