| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] time | 3431 |
|
| 2 | [prep] a [adj] time | 3063 |
|
| 3 | [prep] a limited [noun] | 659 |
|
| 4 | [prep] [art] limited time | 23 |
|
| 5 | [prep] a limited time | 13 |
|
