| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] it for a long time | 25 |
|
| 2 | [prep] it for a [adj] time | 25 |
|
| 3 | [prep] it for a [adj] time | 25 |
|
| 4 | at it for a [adj] time | 9 |
|
| 5 | at it for a [adj] time | 9 |
|
