| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] a long [noun] | 99 |
|
| 2 | [prep] [adj] a [adj] time | 96 |
|
| 3 | [prep] [adj] a long time | 51 |
|
| 4 | [prep] [adj] [art] long time | 51 |
|
| 5 | [prep] [adj] [art] long time | 51 |
|
