| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] a [adv] long time | 6 |
|
| 2 | [to-vb] a [adv] long time | 6 |
|
| 3 | [to-vb] a very long time | 5 |
|
| 4 | [to-vb] a very long time | 5 |
|
