| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [adv] for a long [noun sg] | 10 |
|
| 2 | [to-vb] [adv] for a long time | 9 |
|
| 3 | [to-vb] [adv] for a long [noun sg] | 6 |
|
