| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for a long time | 200 |
|
| 2 | for a long time [prep] | 104 |
|
| 3 | [adv] a long time [prep] | 16 |
|
| 4 | [adv] for a time [prep] | 14 |
|
