| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a long [noun] | 418 |
|
| 2 | [adv] [prep] a [adj] time | 394 |
|
| 3 | [adv] [prep] a [adj] time | 358 |
|
| 4 | [adv] [prep] a long time | 211 |
|
| 5 | [adv] [prep] [art] long time | 208 |
|
| 6 | [adv] [prep] a long time | 207 |
|
