| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for a [noun] | 4374 |
|
| 2 | [adv] [prep] a time | 464 |
|
| 3 | [adv] [prep] a time | 464 |
|
| 4 | [adv] for [art] time | 207 |
|
| 5 | [adv] for [art] time | 207 |
|
| 6 | [adv] for a time | 90 |
|
| 7 | [adv] for a time | 90 |
|
