| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a long time [prep] | 13 |
|
| 2 | [adv] a long time [prep] | 13 |
|
| 3 | [adv] a long time [prep] | 13 |
|
| 4 | quite a long time [prep] | 9 |
|
