| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] for a [adj] time | 24 |
|
| 2 | [prep] [noun prp] for a long time | 19 |
|
| 3 | [prep] [noun prp] for a long time | 19 |
|
| 4 | in [noun prp] for a [adj] time | 11 |
|
| 5 | [prep] [noun prp] for a short time | 5 |
|
| 6 | [prep] [noun prp] for a short time | 5 |
|
| 7 | at [noun prp] for a [adj] time | 5 |
|
