| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long time | 1752 |
|
| 2 | [adj] a long time | 124 |
|
| 3 | [prep] [adj] a long | 110 |
|
| 4 | [prep] [adj] a time | 62 |
|
| 5 | [prep] [adj] long time | 7 |
|
