| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long time | 1727 |
|
| 2 | a long time [conj] | 482 |
|
| 3 | [prep] a time [conj] | 233 |
|
| 4 | [prep] a long [conj] | 123 |
|
