| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [prep] a long time | 61 |
|
| 2 | [vb base] [prep] a long time | 26 |
|
| 3 | [conj] [vb base] [prep] a long | 8 |
|
| 4 | [conj] [vb base] a long time | 6 |
|
